unprecedented

I
(New American Roget's College Thesaurus)
adj. new, novel, unheard-of, original. See unconformity.
II
(Roget's IV) modif.
Syn. unparalleled, unique, novel, original, anomalous, abnormal, freakish, untoward, unusual, out-of-the-way, uncommon, eccentric, bizarre, odd, idiosyncratic, aberrant, prodigious, unexampled, outré (French), exotic, preternatural, miraculous, marvelous, outlandish, newfangled, modern, fantastic; see also single .
Ant. common*, regular, everyday.
III
(Roget's 3 Superthesaurus) a.
a first, new, novel, unheard-of, unique, singular, original, unexampled, unparalleled, extraordinary, unusual, one-of-a-kind, uncommon.
ANT.: precedented, usual, common
IV
(Roget's Thesaurus II) adjective Not the same as what was previously known or done: different, fresh, innovative, inventive, new, newfangled, novel, original, unfamiliar. See NEW.

English dictionary for students. 2013.

Synonyms:

Look at other dictionaries:

  • Unprecedented — Un*prec e*dent*ed, a. Having no precedent or example; not preceded by a like case; not having the authority of prior example; novel; new; unexampled. {Un*prec e*dent*ed*ly}, adv. [1913 Webster] …   The Collaborative International Dictionary of English

  • unprecedented — I adjective anomalous, exceptional, extraordinary, first, inauditus, incomparable, initial, miraculous, modern, new, newfangled, novel, novus, original, rare, singular, uncustomary, unequaled, unexampled, unexpected, unfamiliar, unheard of,… …   Law dictionary

  • unprecedented — (adj.) 1620s, from UN (Cf. un ) (1) not + PRECEDENTED (Cf. precedented). In common use from c.1760 …   Etymology dictionary

  • unprecedented — is pronounced with its second syllable pres not prees …   Modern English usage

  • unprecedented — [adj] exceptional, original aberrant, abnormal, anomalous, bizarre, eccentric, exotic, extraordinary, fantastic, freakish, idiosyncratic, marvelous, miraculous, modern, new, newfangled, novel, odd, outlandish, outof the way*, outré, preternatural …   New thesaurus

  • unprecedented — ► ADJECTIVE ▪ never done or known before. DERIVATIVES unprecedentedly adverb …   English terms dictionary

  • unprecedented — [unpres′ə den΄tid] adj. having no precedent or parallel; unheard of; novel …   English World dictionary

  • unprecedented — [[t]ʌnpre̱sɪdentɪd[/t]] 1) ADJ If something is unprecedented, it has never happened before. Such a move is rare, but not unprecedented... In 1987 the Socialists took the unprecedented step of appointing a civilian to command the force. 2) ADJ… …   English dictionary

  • unprecedented — un|pre|ce|dent|ed [ʌnˈpresıdentıd] adj never having happened before, or never having happened so much ▪ He took the unprecedented step of stating that the rumours were false. ▪ Crime has increased on an unprecedented scale. unprecedented in ▪ an… …   Dictionary of contemporary English

  • unprecedented — adj. VERBS ▪ be ADVERB ▪ entirely, quite, totally, truly ▪ by no means, hardly …   Collocations dictionary

  • unprecedented — un|prec|e|dent|ed [ ʌn presıdentəd ] adjective * never having happened or existed before: The government took the unprecedented step of releasing confidential correspondence. a. the greatest in size, amount, degree, etc. that has ever been known …   Usage of the words and phrases in modern English

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