1. An upstart who makes conceited, sardonic, insolent comments
   - smart aleck, wiseacre, wisenheimer [US], weisenheimer [US], smart alec

Derived forms: wise guys

Type of: upstart

• messenger RNA
• messiah
• messiahship
• messianic
• Messidor
• messily
• Messina
• messiness
• messmate
• messuage
• messy
• mestiza
• mestizo
• mestranol
• Mesua
• Mesua ferrea
• meta-
• metabola
• metabolic
• metabolic acidosis
• metabolic alkalosis
• metabolic disorder
• metabolic process
• metabolic rate
• metabolically