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unsatisfactory

un·sat·is·fac·tor·y

unsatisfactory

 
pronunciation:
uhn sae tihs faek tr i [or] uhn sae tihs faek tri
features:
Word Parts
part of speech: adjective
definition: If something is unsatisfactory, it is not good enough.
Some customers complained about the unsatisfactory service they received in the store.The teacher told Ryan's parents that his work in math was unsatisfactory but that he could do better with some extra help.
antonyms:
acceptable, satisfactory
Word Parts  About this feature
The word unsatisfactory 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