Word parts weak + -ly Pronunciation IPA (key): /ˈwiːkli/ Homophone: weekly Adjective Positive weakly Comparative weaklier Superlative weakliest A weakly person is someone who is frail or sickly. Synonym: weak Adverb Positive weakly Comparative more weakly Superlative most weakly If something is done weakly, it is done with little strength or force. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads