Added 9 October 2026 weaker /ˈwiːkə/ adjective Categories: Uncommon Words adjective ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about weaker at Wordnik → Where our words come from → comparative form of weak: more weak Said of one proposition with respect to another one: that the latter entails the former, but the former does not entail the latter. Related Words: doublenarrowerlesserretreatvulnerablevulnerabilitymutedlesslooserworsepoorslower Back to today's word