Synonyms of the word

implausible

• adj. Not plausible; unlikely; dubious.

farfetched

• adj. Alternative spelling of far-fetched.

improbable

• adj. Not likely to be true.
• adj. Not likely to happen.

incredible

• adj. Too implausible to be credible; beyond belief; unbelievable.
• adj. Amazing; astonishing; awe-inspiring.
• adj. Marvellous; profoundly affecting; wonderful.

unbelievable

• adj. Not to be believed.
• adj. Incredible; so surprising it is almost unable to believe.
• adj. Implausible or improbable.

unconvincing

• adj. not convincing, plausible or believable.
• v. present participle of unconvince.

unlikely

• adj. Not likely; improbable; not to be reasonably expected.
• adj. Not holding out a prospect of success; likely to fail; unpromising.
• adv. In an improbable manner.
• n. Something or somebody considered unlikely.