testing
/ˈtɛs.tɪŋ/ adjective A1- Difficult; tough. · A testing time lies ahead for the new administration.
From the library
The idea was at least worth testing; so with the help of Ames, who admitted me to the room, and the crook of Dr.
Edmond welcomed the meeting with this fellow—who had been one of his own sailors—as a sure means of testing the extent of the change which time had worked in his own appearance.
Most of the kids who act out in the first week are simply testing you.
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