far-fetched
Definitions
Unlikely and unconvincing; implausible.
Strained or forced in meaning or connection.
Examples
The idea that we could travel to another galaxy by next week seems completely far-fetched.
Although his explanation sounded a bit far-fetched, the evidence eventually proved he was telling the truth.
Synonyms
implausible unlikely improbable incredible dubious fanciful preposterous
Antonyms
plausible believable credible likely probable reasonable realistic