(transitive) To make weaker or less strong. / (intransitive) To become weaker or less strong.

present participle of weaken

An instance or process of loss of strength.

Reduced; made less strong.

simple past tense and past participle of weaken

a person who, or thing that weakens

plural of weakener

Third-person singular simple present indicative form of weaken

plural of weakening

Obsolete spelling of weakness