conjectural
/kənˈdʒektʃərəl/ (bre, ipa) · /kənˈdʒektʃərəl/ (ame, ipa) · /kən-ˈjek-chə-rəl -ˈjek-shrəl/ (ame, mw)
conjectural — adjective
- conjecturalpositive
- more conjecturalcomparative
- most conjecturalsuperlative
1. formed by guessing from limited clues rather than supported by solid evidence or
formed by guessing from limited clues rather than supported by solid evidence or confirmed facts.
Elena warned the jury that the witness's account was largely conjectural and lacked any documentation.
predicative use after a linking verb: 'be largely conjectural'
Most early ideas about life on distant planets were conjectural until telescopes improved.
common collocation: 'conjectural until [evidence emerges]'
The historian's timeline for the lost city was conjectural, built on a few broken pots.
Rachid dismissed the report as conjectural because the authors had not interviewed any survivors.
Any claim about what dinosaurs sounded like remains conjectural, since soft tissue rarely survives.
- speculative
near-equivalent; slightly more common and slightly less formal
- hypothetical
stresses that something is proposed for discussion, not necessarily lacking evidence
- tentative
weaker; suggests provisional or uncertain rather than guessed at
- factual
directly contrasts: based on confirmed facts
- evidence-based
common in academic and policy writing
用法筆記
Most often used predicatively after 'be' or 'remain' to label a claim as unsupported (e.g. 'is conjectural', 'remains conjectural'). Common in academic, legal, and scientific writing where the speaker wants to flag a statement as not yet proven.