say it: in-i-FEK-tiv
ineffective is an adjective meaning "not producing an intended effect". It carries 3 recorded senses.
not producing an intended effect
“an ineffective teacher”
“ineffective legislation”
lacking in power or forcefulness
“an ineffectual ruler”
“like an unable phoenix in hot ashes”
lacking the ability or skill to perform effectively; inadequate
“an ineffective administration”
“inefficient workers”
Definitions, synonyms and semantic relations for ineffective come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.