jump at . jump at {v.} To take or accept quickly and gladly. Johnny jumped at the invitation to go swimming with his brother. Compare: TAKE UP (7). Categories: add yours {v.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: J Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Discuss