Definitions

1. adverb

to a very great degree; extremely

“She was uncredibly happy when she got the news that she got into her dream college.”

2. adverb

not believable or trustworthy

“He made uncredibly outlandish claims in his novel, which raised eyebrows among readers.”

3. adjective

extremely difficult to believe

“His uncredibly tall story about the giant squid sent everyone into laughter.”

4. adverb

not deserving of belief

“Her uncredibly suspicious behavior made everyone suspect her of cheating.”