say it: WEEK-nuhs
weakness is a noun meaning "a flaw or weak point". It carries 5 recorded senses.
a flaw or weak point
“he was quick to point out his wife's failings”
powerlessness revealed by an inability to act
“in spite of their weakness the group remains active”
the property of lacking physical or mental strength; liability to failure under pressure or stress or strain
“his weakness increased as he became older”
“the weakness of the span was overlooked until it collapsed”
the condition of being financially weak
“the weakness of the dollar against the yen”
a penchant for something even though it might not be good for you
“he has a weakness for chocolate”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for weakness 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.