callow

 
Pronunciation: /ˈkaləʊ/

adjective

  • (of a young person) inexperienced and immature: earnest and callow undergraduates

Derivatives

callowly

adverb

callowness

noun

Origin:

Old English calu 'bald', of West Germanic origin, probably from Latin calvus 'bald'. This was extended to mean 'unfledged', which led to the present sense 'immature'