A lot vs. Alot: 9 Grammatical Pitfalls


[kuh n-jek-cher] /kənˈdʒɛk tʃər/
the formation or expression of an opinion or theory without sufficient evidence for proof.
an opinion or theory so formed or expressed; guess; speculation.
Obsolete. the interpretation of signs or omens.
verb (used with object), conjectured, conjecturing.
to conclude or suppose from grounds or evidence insufficient to ensure reliability.
verb (used without object), conjectured, conjecturing.
to form conjectures.
1350-1400; (noun) Middle English < Latin conjectūra (< Middle French) inferring, reasoning, equivalent to conject(us) past participle of conjicere to throw together, form a conclusion (con- con- + -jicere, combining form of jacere to throw) + -ūra -ure; (v.) late Middle English conjecturen (< Middle French) < Late Latin conjecturāre, derivative of the noun
Related forms
conjecturable, adjective
conjecturably, adverb
conjecturer, noun
misconjecture, verb, misconjectured, misconjecturing; noun
nonconjecturable, adjective
nonconjecturably, adverb
preconjecture, verb (used with object), preconjectured, preconjecturing.
unconjecturable, adjective
unconjectured, adjective
2. surmise, inference, supposition, theory, hypothesis. 4. surmise, suppose, presume. See guess. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for conjectures
  • But he provided too little evidence to guide our conjectures, offering a riddle without a solution.
  • Sometimes she will whisper lines into my ear, lovely conjectures and occasionally laughable ditties.
  • The authors offer some tentative conjectures as to why empirical studies of financial innovation are comparatively rare.
  • It conjectures not only that dark energy would freeze out but that relativity would break down altogether.
  • To argue logically, one must have sufficient information on the subject to do so with facts, not conjectures or guesses.
  • What really bothers me about your post is the unequivocal way you present your conjectures as facts.
  • Certain conjectures have been represented as truths.
  • There are numerous models, theories, and conjectures about what's the prime engine of evolution.
  • All the putative science has is a set of loose and inexactly stated conjectures and no observational or experimental body of data.
  • Both political parties are wedded to conjectures and hypothesis that are not falsifiable by any means.
British Dictionary definitions for conjectures


the formation of conclusions from incomplete evidence; guess
the inference or conclusion so formed
(obsolete) interpretation of occult signs
to infer or arrive at (an opinion, conclusion, etc) from incomplete evidence
Derived Forms
conjecturable, adjective
conjecturably, adverb
conjecturer, noun
Word Origin
C14: from Latin conjectūra an assembling of facts, from conjicere to throw together, from jacere to throw
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for conjectures



late 14c., "interpretation of signs and omens," from Old French conjecture "surmise, guess," or directly from Latin coniectura "conclusion, interpretation, guess, inference," literally "a casting together (of facts, etc.)," from coniectus, past participle of conicere "to throw together," from com- "together" (see com-) + iacere "to throw" (see jet (v.)). Sense of "forming of opinion without proof" is 1530s.


early 15c., from conjecture (n.). In Middle English also with a parallel conjecte (n.), conjecten (v.). Related: Conjectured; conjecturing.

Online Etymology Dictionary, © 2010 Douglas Harper
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