Extremely doubtful
Synonyms for Extremely doubtful
- inconceivable
- beyond belief
- unbelievable
- extremely difficult to believe
- scarcely credible
- incredible
- unthinkable
- unimaginable
- unimagined
- extremely unlikely
- not in the least likely
- extremely implausible
For more similar words, try Extremely doubtful on Thesaurus.plus dictionary