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look up to
look upon
lookdown
looker
looker-on
looking glass
looking-glass
lookist
lookout
lookover
loom (1)
loom (2)
loon (1)
loon (2)
loon pants
looney
loonie
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look out
look out


intransitive verb 
Definition:
 
be careful: to be careful to avoid danger
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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