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testcross
tester (1)
tester (2)
testes
testicle
testify
testimonial
testimony
testing
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Tet
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testing
test·ing [ tésting ]


adjective 
Definition:
 
difficult: subjecting somebody or something to challenging difficulties
A testing time lies ahead for the new administration.
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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