"tested" in the verb sense
1. test, prove, try, try out, examine, essay
put to the test, as for its quality, or give experimental use to
"This approach has been tried with good results"
"Test this recipe"
2. screen, test
test or examine for the presence of disease or infection
"screen the blood for the HIV virus"
3. quiz, test
examine someone's knowledge of something
"The teacher tests us every week"
"We got quizzed on French irregular verbs"
show a certain characteristic when tested
"He tested positive for HIV"
achieve a certain score or rating on a test
"She tested high on the LSAT and was admitted to all the good law schools"
determine the presence or properties of (a substance)
undergo a test
"She doesn't test well"
"tested" in the adjective sense
1. tested, tried, well-tried
tested and proved useful or correct
"a tested method"
2. tested, time-tested, tried, tried and true
tested and proved to be reliable
Source: WordNet® (An amazing lexical database of English)
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