adjective
- lacking or having lost life, sharpness, or flavor; insipid; flat: vapid tea.
- without liveliness or spirit; dull or tedious: a vapid party; vapid conversation.
adjective
- bereft of strength, sharpness, flavour, etc; flat
- boring or dull; lifelessvapid talk
1650s, “flat, insipid” (of drinks), from Latin vapidus “flat, insipid,” literally “that has exhaled its vapor,” related to vappa “stale wine,” and probably to vapor “vapor.” Applied from 1758 to talk and writing deemed dull and lifeless. Related: Vapidly.