(noun, adjective, verb)


1. difficult, tough


1. the act of subjecting to experimental test in order to determine how well something works

- they agreed to end the testing of atomic weapons

Definition categories: act, experiment, experimentation

2. an examination of the characteristics of something

- there are laboratories for commercial testing

- it involved testing thousands of children for smallpox

Definition categories: act, examination, scrutiny

3. the act of giving students or candidates a test (as by questions) to determine what they know or have learned

Similar word(s): examination

Definition categories: act, investigating, investigation


1. present participle of test