n.
- a substance diffused or suspended in the air.
▸Physics a gaseous substance that can be liquefied by pressure alone. Compare with gas.
-
(the vapours)
dated sudden faintness or nervousness.
v.
talk in a vacuous or pompous way.
Derivative
- vaporous adj.
- vaporousness n.
- vapourish adj. (archaic).
- vapoury adj.
Etymology
ME: from OFr., or from L. vapor ‘steam, heat’.