Antonyms of efficient from BoostVocab

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efficient

/ɪ'fɪʃənt/

Synonyms of efficient Antonyms of efficient Examples of efficient Usage of efficient Parts of efficient Definition that contains efficient Words sounding like efficient Explanation of efficient

adjective
able to accomplish a purpose; functioning effectively
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"an efficient secretary" "the efficient cause of the revolution"

Similar:

effective competent
adjective
being effective without wasting time or effort or expense
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"an efficient production manager" "efficient engines save gas"

Similar:

expeditious high-octane businesslike streamlined cost-effective cost-efficient economic economical

Opposite:

inefficient

Antonyms of efficient