say it: in-uh-FEK-choo-uhl
ineffectual is an adjective meaning "not producing an intended effect". It carries 3 recorded senses.
not producing an intended effect
“an ineffective teacher”
“ineffective legislation”
producing no result or effect
“a futile effort”
“the therapy was ineffectual”
“an otiose undertaking”
“an unavailing attempt”
lacking in power or forcefulness
“an ineffectual ruler”
“like an unable phoenix in hot ashes”
Definitions, synonyms and semantic relations for ineffectual 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.