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un·be·liev·a·ble

unbelievable

 
 
pronunciation:
uhn b li v bl
features:
Word Parts
part of speech: adjective
definition: astounding or very hard to believe.
The wedding cake was so high that it was unbelievable.Sharon's story about an alligator being in the swimming pool is unbelievable.
antonyms:
believable, likely
similar words:
fabulous, incredible
derivation: unbelievably (adv.)
Word Parts  About this feature
The word unbelievable contains the following part:
un-1 Old English prefix that means not
Show wordsHide wordsMore about this word part:
The prefix un1 attaches to adjectives to create adjectives that mean the opposite of the base word.
synonyms:
dis-, de-, in-2