light-headed
adjective
Forms lighter-headed lightest-headed lightheaded
- adjective Dizzy or feeling faint, usually as a result of a drop in blood pressure to the brain; delirious.
- adjective (figuratively) Thoughtless; volatile; frivolous.
Synonyms
giddy heedless unsteady fickle lightbrained unaware inattentive careless silly faint light swooning lightheaded airheaded dizzy empty-headed featherbrained
Etymology
From light (“lacking weight or mental gravity”, adjective) + headed (“having a head”, adjective).
Webster’s 1913
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “light-headed”, CC BY-SA 4.0. Details