unbelievably

Word parts

un- + believable + -y
unbelievable + believably

Adverb

Positive unbelievably

Comparative more unbelievably

Superlative most unbelievably

1. Something done unbelievably means it is done in a way that is not believable.

   He tried, unbelievably, to convince her that he was sorry.

2. Unbelievably is so extreme that it is hard to believe.

   Asking a student out on a date would be unbelievably inappropriate.

Related words

• unbelievable