All imaginable antonyms
im·ag·i·na·ble
I i adj imaginable
- unbelievable — too dubious or improbable to be believed: an unbelievable excuse.
- improbable — not probable; unlikely to be true or to happen: Rain is improbable tonight.
- incomprehensible — impossible to understand or comprehend; unintelligible.
- unimaginable — capable of being imagined or conceived.
- unthinkable — inconceivable; unimaginable: the unthinkable size of the universe.
- unreasonable — not reasonable or rational; acting at variance with or contrary to reason; not guided by reason or sound judgment; irrational: an unreasonable person.
- impossible — not possible; unable to be, exist, happen, etc.