Word Study
colloquialism
CIDE DICTIONARY
colloquialism, n.
A colloquial expression, not employed in formal discourse or writing. [1913 Webster]
ROGET THESAURUS
colloquialism
Neologism
N neology, neologism, newfangled expression, nonce expression, back-formation, caconym, barbarism, archaism, black letter, monkish Latin, corruption, missaying, malapropism, antiphrasis, pun, paranomasia, play upon words, word play, double- entendre, palindrome, paragram, anagram, clinch, abuse of language, abuse of terms, dialect, brogue, idiom, accent, patois, provincialism, regionalism, localism, broken English, lingua franca, Anglicism, Briticism, Gallicism, Scotticism, Hibernicism, Americanism, Gypsy lingo, Romany, pidgin, pidgin English, pigeon English, Volapuk, Chinook, Esperanto, Hindustani, kitchen Kaffir, dog Latin, macaronics, gibberish, confusion of tongues, Babel, babu English, chi-chi, figure of speech, byword, colloquialism, informal speech, informal language, substandard language, vernacular, vulgar language, obscene language, obscenity, vulgarity, jargon, technical terms, technicality, lingo, slang, cant, argot, St. Gile's Greek, thieves' Latin, peddler's French, flash tongue, Billingsgate, Wall Street slang, pseudology, pseudonym, Mr, So-and-so, wha d'ye call 'em, whatchacallim, what's his name, thingummy, thingumbob, je ne sais quoi, neologist, coiner of words, neologic, neological, archaic, obsolete, colloquial, Anglice.Metaphor
N metaphor, figure of speech, facon de parler, way of speaking, colloquialism, phrase, figure, trope, metaphor, enallage, catachresis, metonymy, synecdoche, autonomasia, irony, figurativeness, image, imagery, metalepsis, type, anagoge, simile, personification, prosopopoeia, allegory, apologue, parable, fable, allusion, adumbration, application, exaggeration, hyperbole, association, association of ideas (analogy), metaphorical, figurative, catachrestical, typical, tralatitious, parabolic, allegorical, allusive, anagogical, ironical, colloquial, tropical, so to speak, so to say, so to express oneself, as it were, mutato nomine de te fabula narratur.For further exploring for "colloquialism" in Webster Dictionary Online