one-handed adjective 7adverb 3 adjective7 •Performed using only one hand.A one-handed save by Wojciech Szczesny prevented Darren Pratley giving Bolton an early lead and Arsenal looked short of ideas in a goalless first half. — 2011 •Designed for use with one handThe hoplites were pezetaeri, the sarissa-armed, and hypaspists, a more select body, aimed with one-handed pike, sword and shield. — 2012 •That uses one hand. •Having only one hand.Note that we can represent any cyclic event with a one-handed clock. — 1995 •Involving the actions of only one person.I don't think she knew what a relief that was, because I would have been poor help for Ralph as a one-handed crew. — 2011 •(slang, euphemistic) Pornographic in nature.... Boys sexual content mostly consists of a series of violent and less than titillating homosexual assaults. Word of mouth among the one-handed' readership would not have been good. — 2007 •Chiral, having an asymmetric structural orientation. adverb3 •Using only one hand; one-handedly.She waved to us and lost her balance; riding a bicycle one-handed is tricky. •(humorous, euphemistic) While masturbating.The kind of story that you just know was written one-handed •(figurative) Very easily, without effort.He's a terrible snooker player. I could beat him one-handed!