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unable

un·a·ble

unable

 
pronunciation:
uhn eI bl
features:
Word Parts
part of speech: adjective
definition: not having the power, skill, or means needed to do something; not able.
She is unable to read.I am unable to visit you today because I have a doctor's appointment.
antonyms:
able
similar words:
incapable
Word Parts
The word unable 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