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conjectural

[kuh n-jek-cher-uh l] /kənˈdʒɛk tʃər əl/
adjective
1.
of, of the nature of, or involving conjecture; problematical:
Theories about the extinction of dinosaurs are highly conjectural.
2.
given to making conjectures:
a conjectural thinker.
Origin
1545-1555
1545-55; < Latin conjectūrālis, equivalent to conjectūr(a) conjecture + -ālis -al1
Related forms
conjecturally, adverb
unconjectural, adjective
Synonyms
1. speculative, theoretical, doubtful.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un conjectural

conjectural

/kənˈdʒɛktʃərəl/
adjective
1.
involving or inclined to conjecture
Derived Forms
conjecturally, 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
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Word Origin and History for un conjectural

conjectural

adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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2
4
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