definitions

conjectural

[ kuhn-jek-cher-uhl ]
/ kənˈdʒɛk tʃər əl /
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SEE MORE SYNONYMS FOR conjectural ON THESAURUS.COM

adjective

of, of the nature of, or involving conjecture; problematical: Theories about the extinction of dinosaurs are highly conjectural.
given to making conjectures: a conjectural thinker.

RELATED WORDS

academic, assumed, doubtful, hypothetical, putative, reputed, supposed, suspect, tentative, theoretical, uncertain, unresolved, suppositional, suppositious, suppositive, figured

Nearby words

coniston water, conium, conization, conj., conject, conjectural, conjecture, conjoin, conjoined, conjoined anastomosis, conjoined twin

Origin of conjectural

1545–55; < Latin conjectūrālis, equivalent to conjectūr(a) conjecture + -ālis -al1
Related formscon·jec·tur·al·ly, adverbun·con·jec·tur·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for conjectural

British Dictionary definitions for conjectural

conjectural

/ (kənˈdʒɛktʃərəl) /

adjective

involving or inclined to conjecture
Derived Formsconjecturally, adverb
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

Word Origin and History for conjectural

conjectural

adj.

1550s, from Latin conjecturalis "belonging to conjecture," from conjectura (see conjecture). Related: Conjecturally (mid-15c.).

Online Etymology Dictionary, © 2010 Douglas Harper