A B C D E F G H I J K L M N O P Q R S T U V W X Y Z



O'

"Of." [Cont]


O/A

"On or About." A common English abbreviation.


OBTW

"Oh By The Way." An internet abbreviation. See "BTW."


O.C.

"The Work Cited." See "op. cit."


Occam's Razor

Variant (misspelling) of "okham's razor." See "okham's razor."


OCD

"Obsessive Compulsive Disorder." A common psychology abbreviation.


Ochlesis

"Any Disease or Disorder Caused by Overcrowding." From the Greek "oxlesis" = "Disturbance," which is connected to the root of "oxlos," meaning "crowd."


Ochlocracy

"Mob Rule." From the French "oclocratie," from the Greek "oxlakratia" compounded from the roots "oxlos" = "crowd" and "krateo" = "to rule, hold sway."


Ochlomania

"Pathological Obsession With Crowds." From the Greek roots "oxlos" = "crowd" and "mania" = "madness; enthusiasm or inspired frenzy."


Ochlophilia

"Attraction to Crowds." From the Greek root "oxlos" = "crowd" and the suffix "-philia." See "-philia."


Ochlophobia

"An Irrational Fear of Crowds or Mobs." From the Greek root "oxlos" = "crowd" and the suffix "-phobia." See "-phobia."


Ockham's Razor

"The Principle That the Simplest Solution is Usually the Best." Of course, that is a oversimplification of the rule. Also called "occam's razor." Eponymous after William of Ockham, an English philosopher.


OCR

"Optical Character Recognition, Optical Character Reader." Software for changing graphic files of text into ascii or text documents.


OD, O.D.

"Overdose." An abbreviation used both in the medical field and in drug slang.


Ode

"A Poem Meant to Be Sung, A Rhymed Verse." From the Latin "ode" or "oda," from the Greek "odê," a contraction of "aiodê" = "song."


Odious

"Hateful; Offensive; Disgusting." This goes back to Middle English, from the Old French "odieux." The Old French derives from the Latin "odiosus," a development of "odium" = "hatred."


Odium

"Hatred." This goes straight back to Latin.


Odor, Odour

"Bad Smell." The "ou" form is mainly British, while the "o" form is mainly American. They derive from the Middle English "odur" and "odour" of the same meaning. This, in turn, derives from the Anglo-Norman "odour" and the Old French and Latin "odor."


OE

"Old English, Anglo-Saxon." A common abbreviation.


O'er

"Over." [Cont]


Offa

"Off Of." [Cont.] See James Brown's "Get Up Offa That Thing."


Offal

"Waste Products, Particularly of Animal Remains." This word literally means "(that which) falls off," from the Middle English components "of" = "off" and "fal" = "fall."


Ogle

"To Stare, Stare Flirtatiously." This word literally means "to give the eye," from more Germanic versions of "eye" like the German "Auge."


OIC

"Oh I See." A phonetic subsitution popular on the internet.


-oid

"Of or Resembling the Form Of." From the Greek "eidos" = "form, image."


OJ, O.J.

"Orange Juice." A common abbreviation. This is actually even used in speech, pronounced as "oh jay."


OL

"Old Lady." In the sense of "significant other." An internet abbreviation.


Ology

"A Branch of Study." From the suffix "-ology." See below.


-ology

"The Study Of." A suffix developed from the Greek word "logos," in its meaning of "discourse." In Middle English, it was "-ologie," from the Old French and Latin "-logia." Any word that ends in "-ology" can also take the suffix forms "ological" or "-ologic" = "pertaining to the study of" or "-ologist" = "one who studies _."


OM

"Old Man." In the sense of "significant other." An internet abbreviation.


OMG

"Oh My God/Gosh/Goodness." An internet abbreviation.


Onanism

"Masturbation; Coitus Interruptus." After the Biblical story of Onan, son of Judah, who pulled out and spilled his seed on the ground. See also "-ism."


Oneiric

"Pertaining to Dreams." From the Greek root "oniero" = "dream" and the suffix "-ic." See "-ic."


Oneirocritic

1. "An Interpreter of Dreams." From the French "oneirocritique," from the Greek root "oneirokritisia" = "interpretation of dreams."


Oneirocritic

2. Variant of "oneirocritical."


Oneirocritical

"Pertaining to the Interpretation of Dreams." See "oneirocritic" 1.


Oneirocriticism

"The Art of Dream Interpretation." See "oneirocritic."


Oneirodynia

"Disturbed Dreams, Nightmare." From the Greek roots "oniero" = "dream" and "odunio" = "pain."


Oneirogenic

"Born of a Dream." From the Greek "oneirogenes" of the same meaning.


Oneirology

"The Study of Dreams." From the Greek root "oniero" = "dream" and the suffix "-ology." See "-ology."


Oneiromancy

"Divination by or Interpretation of Dreams." From the Greek "oneiromantis" or "interpreter of dreams," from the components "oneiro" = "dream" and "manteia" = "mode of divination."


Oneirophobia

"An Irrational Fear of Dreams." From the Greek "oneirophobos" = "fear of dreams," from the roots "oniero" = "dream" and "phobos" = "fear." See "-phobia."


Oneiroscopist

"A Dream Interpreter." See "oneiroscopy."


Oneiroscopy

"The Interpretation of Dreams; The Psychological Study of Dreams to Determine One's Mental State." From the Greek roots "oniero" = "dream" and "skopeo" = "behold, contemplate, examine, inspect."


Oneirotic

"Dream Producing." From the Greek "oneirotikos" = "dream producing." See also "oneiric."


Onomastic

"Of or Relating to Names." From the French "onomastique," from the Greek "onomastikos," from the root "onomasia" = "name." See also "-ic."


Onomastics

"The Study of Proper Names." See "onomastic."


Onomatomancy

"Divination by a Name or the Letters Therein." From the Greek roots "onomasia" = "name" and "manteia" = "mode of divination."


Onomatophobia

"An Irrational Fear of Certain Names or a Certain Name." From the Greek root "onomasia" = "name" and the suffix "-phobia." See "-phobia."


Onychomancy

"Divination by Finger-Nails." From the Greek roots "onuxos" = "talon, claw, finger-nail" and "manteia" = "mode of divination."


OOB

"Out Of Business." An acrostic abbreviation probably influenced by "OOP." See "OOP."


OOP

"Out Of Print." An acrostic abbreviation from the book industry.


Op.

"Work." An abbreviation of the Latin "opus" = "work." This is common in classical music.


Op. Cit.

"The Work Cited." An abbreviation of the Latin phrase "opere citato" = "work cited." See also "o.c.."


Ophic

"Pertaining to Serpents." "Oph" from the Greek root "ophis" = "snake" and the suffix "-ic." See "-ic."


Ophidian

"Of, Pertaining to or Resembling Snakes." From the Greek "ophites" = "serpentine, of or like a snake," from "ophis" = "snake."


Ophidiarium

"A Home for Snakes." From the Greek root "ophidion," diminuative of "ophis" = "snake" and "-arium" = "place where something is kept" from Latin, neuter of "-arius" generally meaning "pertaining to something."


Ophidiomancy

"Divination By Observing the Behaviour of Snakes." Also "ophiomancy." From the Greek roots "ophidion," diminuative of "ophis" = "snake" and "manteia" = "mode of divination."


Ophidioid

A variant of "ophiod."


Ophidiophobia

"An Irrational Fear of Snakes." Greek root "ophidion," diminuative of "ophis" = "snake" and "-phobia." See "-phobia."


Ophiography

"The Detailed Description of Serpents." From the Greek "ophis" = "snake" and the suffix "-graphy." See "-graphy."


Ophioid

"Of, Resembling or Having the Form of a Serpent." From the Greek "ophis" = "snake" and the suffix "-oid." See "-oid."


Ophiolatry

"Serpent Worship." From the Greek roots "ophis" = "snake" and "latreia" = "service to the gods, divine worship."


Ophiology

"The Study of Snakes." A branch of herpetology. The word is a compound of "ophio" from the Greek "ophis" = "snake" and "-ology." See "-ology."


Ophiomancy

"Divination By Observing the Behaviour of Snakes." Also "ophidiomancy." From the Greek roots "ophis" = "snake" and "manteia" = "mode of divination."


Ophiomormous

"Having a Snakelike Form." From the Greek roots "ophis" = "snake" and "morphe" = "form." See "-morphic."


Ophiophageous

"Eating Snakes." From the Greek "ophiophagos," from the roots "ophidion," diminuative of "ophis" = "snake" and "phagein" = "devour."


Ophism

"Serpent Worship." "Oph" from the Greek root "ophis" = "snake" and the suffix - "-ism." See "-ism."


Ophite

"Pertaining to a Serpent." From the Greek root "ophites" = "serpentine, of or like a snake," from "ophis" = "snake."


Opsomania

"Am Obsession with a Particular Food." From the Greek roots "opson" = "cooked or prepared food" and "mania" = "madness; enthusiasm or inspired frenzy."


Opt

"Optional." A common abbreviation in sales ads.


Oreo

"A Black Person Who Acts White." A Black term, derived from the trademarked Oreo cookies, which have dark brown outer cookies with a white cream filling sandwiched between them.


Orgiastic

"Of or Related to an Orgy." See "orgy" and "-ic."


Orgy

"A Revel of Unrestrained Indulgence, Usually Sexual." The original meaning of the word "orgy" in English was to describe the secret rites of the ancients. It passed to English from Old French and Latin back to the Greek "orgia" = "secret rites, secret worship," with particular reference to the mysteries, Eleusis in particular.


Orig

"Originally, Original." A common abbreviation in sales ads.


OS

"Operating System, Computer Platform." A computer term, which describes the operating software of a computer, such as DOS (Disk Operating System), Windows, Unix, Linux and Mac. Operating systems are developed and released, like most other software, by number (or year), such as Mac OS 8.1 or OS X, Windows 3.1 or Windows 95. The question "what OS are you using" can mean either what platform (i.e. Mac or Windows) or what version of the platform. The O and S are pronounced separately as letters, not together as one syllable.


O.S.

"The Left Eye." An abbreviation of the Latin "oculus sinister." See "sinistrocular."


-osis

"Condition, Process, Action; Increase; Formation." From the same in Latin and Greek.


OT

"Off Topic." An internet abbreviation.


Otha

"Other." [DV] From Black Vernacular.


OTOH

"On The Other Hand." An internet abbreviation.


OTTOMH

"Off The Top of My Head." An internet abbreviation.


Oughta

"Ought To." [Cont.]


Ouija Board

"Divinitory Device Meets Board Game." The name comes from the French "oui" = "yes" and the German "ja" = "yes." Why exactly they did not pick a "yes" and a "no" word is unclear. It has been suggested that it refers to the fact that it agrees with its operators, who, in essence move the piece around by hand.


Ouroboros

"The Image of a Serpent Eating Its Own Tail." This is actually the direct Greek word, meaning "devouring its tail" from the roots "oura" = "tail" and "boros" = "gluttonous."


Outa

"Out Of." [Cont][DV]


Outta

"Out Of." [Cont][DV] For example: "Get The F--- Outta Dodge" and "Straight Outta Compton."


Ov

"Of." This spelling was popularised by Genesis P. Orridge and his organisation Temple ov Psychic Youth, or Topy. Genesis and his organisation started their own version ov English, using some alternative spellings and a lot of "thee."


Ova

"Over." [DV] From Black Vernacular. For example, "if you wanna come on ova..." and "dont make me come ova there."


Ovah

"Over." [DV] From Black Vernacular.


Oy Vey!

- Yiddish from the German "Ach, weh ist Mir," or "oh, woe is me."





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