leprechaunesque adjective1 •Of, like, or proclivous to befit a leprechaun; small; mischievous; lucky.He was dressed in a green velvet suit— a fashion statement, I thought, that veered very close to the leprechaunesque. He tasted my sauce and made a few adjustments to the seasonings to great effect. — 2006 formsmore leprechaunesque · most leprechaunesque