bubblehead
Noun
Meaning
(slang) A stupid person.
(slang) A submariner; bubble-head.
(slang) A navy hard hat or salvage diver (inspired by the shape of the old spun-copper diving helmet).
Source: en.wiktionary.orgSynonyms
newt
nimrod
golem
bayard
gander
deadhead
lug
buckwheat
saphead
know-nothing
airhead
numskull
dotterel
looby
mome
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Antonyms
Examples
Once this was a nation of farmers, builders, inventors, creators, explorers, and thinkers. Now we are a nation of bubblehead academic poseurs, race-guilt hucksters, and keening middle-class "victims" of imaginary wrongs.