Definition of ineffective
- ineffective lighting
- an ineffective executive
The treatment was ineffective against the disease.
an ineffective effort to reduce unemployment that only spurred inflation
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ineffective.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
in vain, no dice, not worth the candle, of no avail;
: not producing or having the effect you want : not effective
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