questionable

adjective/ˈkwɛstʃənəbəl/

Frequency rank: #5,506 of 20,003 in the WORDED list (wordfreq data)

Meaning

doubtful or uncertain in quality, honesty, or appropriateness.

Illustration for the English word “questionable”

Example sentence

The scientist's methods were considered questionable by many of her colleagues.

Synonyms & related words

More words in ranks 5,501–5,600