in·cred·i·ble 
(ĭn-krĕdə-bəl)
(ĭn-krĕdə-bəl)adj.
1. So implausible as to elicit disbelief; unbelievable: gave an incredible explanation of the cause of the accident.
2. Astonishing, extraordinary, or extreme: dressed with incredible speed.
[Middle English, from Latin incrēdibilis : in-, not; see IN-1 + crēdibilis, believable; see CREDIBLE.]
in·cred′i·bili·ty, in·credi·ble·ness n.
in·credi·bly adv.
- inquisitional
- inquisitive
- inquisitively
- inquisitiveness
- inquisitor
- inquisitorial
- inquisitorially
- in re
- in reality
- in reason
- in recovery
- in reference to
- in regards to
- in regard to
- in relation to
- in rem
- in request
- in reserve
- in-residence
- in residence
- in respect of
- in respect to
- in retrospect
- in return
- INRI