
English word incredible comes from Latin ingratus (Thankless. Ungrateful. Unpleasant, disagreeable.), Latin credo
ingratus (Latin)
Thankless. Ungrateful. Unpleasant, disagreeable.
credo (Latin)
(with accusative or dative) to believe, to trust in, to give credence to.. I commit, consign, entrust to.. Confide in, have confidence in.
credibilis (Latin)
Credible, worthy of belief, likely.
incredibilis (Latin)
Unbelievable, incredible.
incredible (English)
Amazing; astonishing; awe-inspiring.. Marvellous; profoundly affecting; wonderful.. Too implausible to be credible; beyond belief; unbelievable. [from 15th c.].