Definition of testing
- a most difficult and testing problem
- —Ernest Bevin
beginning rock climbers should choose a less testing route to the summit
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'testing.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: difficult to deal with
What made you want to look up testing? Please tell us where you read or heard it (including the quote, if possible).
of yeast or being unsettled or frivolous
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