bighead

[ big-hed, -hed ]
/ ˈbɪgˈhɛd, -ˌhɛd /
SEE SYNONYMS FOR bighead ON THESAURUS.COM

noun

Informal. an excessive estimate of one's importance; conceit.
Veterinary Pathology.
  1. an inflammatory swelling of the tissues of the head of sheep, caused by the anaerobic bacillus Clostridium novyi.
  2. enlargement of the head and jawbones of horses resulting from nutritional hyperthyroidism.

Origin of bighead

An Americanism dating back to 1795–1805; big1 + head

OTHER WORDS FROM bighead

big·head·ed, adjective big·head·ed·ness, noun

Words nearby bighead

bigging, biggish, biggity, biggs, biggy, bighead, bighorn, bighorn mountains, bight, bigleaf maple, bigly

Words related to bigheaded

arrogant, conceited, egoistic, egoistical, egotistical, persnickety, snooty, stuck-up, vain, vainglorious

British Dictionary definitions for bigheaded

bighead
/ (ˈbɪɡˌhɛd) /

noun

informal a conceited person
US and Canadian informal conceit; egotism
vet science
  1. an abnormal bulging or increase in the size of an animal's skull, as from osteomalacia
  2. any of various diseases of sheep characterized by swelling of the head, esp any caused by infection with Clostridium bacteria

Derived forms of bighead

bigheaded, adjective bigheadedly, adverb bigheadedness, noun