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chalkface
chalkpit
chalkstone
chalky
challah
challenge
challenged
challenger
challenging
challis
Chalmette
chalone
chalta hai
chalumeau
chalutz
chalybeate
chalybite
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challenging
chal·leng·ing [ chállənjing ]


adjective 
Definition:
 
demanding physical or psychological effort: demanding physical or psychological effort of a stimulating kind

chal·leng·ing·ly adverb
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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