Definition of Look after

Babylon English Dictionary
watch after, supervise over
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Look after Definition from Language, Idioms & Slang Dictionaries & Glossaries
hEnglish - advanced version

look after
v : keep under careful scrutiny; "keep an eye on this prisoner!"

ENGLISH IDIOMS 2.EDITION
care for, take care of He really looks after his car. It's in very good condition.
English Idioms WM 1.3a
care for, take care of 
He really looks after his car. It's in very good condition.
WordNet 2.0

Verb
1. keep under careful scrutiny; "Keep an eye on this prisoner!"
(hypernym) watch, look out, watch out