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un·nec·es·sar·y

unnecessary

 
 
pronunciation:
uhn ne s seI ri
features:
Word Parts
part of speech: adjective
definition: not needed or required.
It is unnecessary to carry an umbrella on such a fine day.
synonyms:
needless
antonyms:
essential, necessary
similar words:
surplus
derivation: unnecessarily (adv.)
Word Parts  About this feature
The word unnecessary 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