say it: ER-hed
airhead is a noun meaning "a flighty scatterbrained simpleton". It carries 2 recorded senses.
a flighty scatterbrained simpleton
“she's a total airhead”
“every airhead on a big salary rushed out to buy one”
slang
a bridgehead seized by airborne troops
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for airhead come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.