callow
adjective
[ ˈkaləʊ ]
• (of a young person) inexperienced and immature.
• "earnest and callow undergraduates"
Similar:
immature,
inexperienced,
naive,
green,
as green as grass,
born yesterday,
raw,
unseasoned,
untrained,
untried,
juvenile,
adolescent,
jejune,
innocent,
guileless,
artless,
unworldly,
unsophisticated,
wet behind the ears,
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’.
