{# Single source of truth for the GA4 page_type dimension. Must stay ABOVE extra_head: synonymguide configures gtag inside that block and reads this global, while syllablesworld configures it at the end of . #}

Synonyms for

Questionable

Adjective / ˈkwestʃʌnʌbʌl / Another word for questionable — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

doubtful, uncertain, or suspicious

Synonyms & similar words

confutative confutable refutable unquestionable dubious dodgy shady uncertain doubtful ambiguous enigmatic equivocal ambiguous indefinite inconclusive indefinable inexplicable mysterious nebulous obscure puzzling unidentified unknown vague

Synonyms by register

Formal

dubious debatable uncertain problematic

Informal

shady dodgy fishy sketchy

Literary

equivocal ambiguous problematic

Antonyms

certain definite clear obvious unquestionable indisputable sure

Common collocations

  • highly questionable
  • deeply questionable
  • somewhat questionable
  • a questionable decision
  • questionable practices
  • questionable motives
  • questionable behavior

Word family

noun question
verb question
adjective questionable
adverb questionably

Usage note

Often implies doubt about the truth, legality, morality, or quality of something. Can be used to express suspicion without outright accusation.

Compare "questionable" with another word →

Example sentences

  1. The safety of the bridge was questionable.
  2. The validity of his argument was questionable.
  3. The ethics of their plan were questionable.
  4. The quality of the food was questionable.
  5. The reliability of the source was questionable.

Quotes

  • The only true wisdom is in knowing you know nothing.
  • To be or not to be, that is the question.
  • Judge a man by his questions rather than by his answers.

Try these popular words

the and that for you with was this are have not from

Practice

Play the Word Synonyms game · Choose level (start near 1)

Worksheets

Grade 4 · Grade 5 · Grade 6

Topics

Guides

Explore more words