Etymology
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speculative (adj.)

late 14c., "contemplative," also "purely scientific, in theory only" (opposed to practical), from Old French speculatif "worth great attention; theoretical," or directly from Late Latin speculativus, from past participle stem of speculari (see speculation). Meaning "given to (financial) speculation" is from 1763. Related: Speculatively.

updated on November 06, 2013

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Definitions of speculative from WordNet

speculative (adj.)
showing curiosity;
raised a speculative eyebrow
Synonyms: inquisitive / questioning / wondering
speculative (adj.)
not financially safe or secure;
speculative business enterprises
Synonyms: bad / risky / high-risk
speculative (adj.)
not based on fact or investigation;
speculative knowledge
Synonyms: notional
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.