questionable.

1. Open to reasonable doubt about correctness, reliability or adequacy.

2. Open to reasonable doubt about propriety, honesty or ethical acceptability.

Use it for

Words that belong together

• questionable assumption
• questionable estimate

On the page

The estimate was questionable because it depended on an undocumented adjustment.

The reviewer identified a questionable assumption without rejecting every part of the analysis.

Usage notes

Primary category: analysis / argumentation / evidence. Forms: Comparative more questionable; superlative most questionable where gradation is meaningful. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: counterevidence assessment, argument critique, qualified assertion, formal disagreement. Disciplines: argumentation, research interpretation, social analysis. Commonness: moderately common.