Definitions
1.verbTo challenge."Climbing the mountain tested our stamina."
2.verbTo refine (gold, silver, etc.) in a test or cupel; to subject to cupellation.
3.verbTo put to the proof; to prove the truth, genuineness, or quality of by experiment, or by some principle or standard; to try."to test the soundness of a principle; to test the validity of an argument"
4.verb(academics) To administer or assign an examination, often given during the academic term, to (somebody).
5.verbTo place a product or piece of equipment under everyday and/or extreme conditions and examine it for its durability, etc.
6.verbTo be shown to be by test."He tested positive for cancer."
7.verbTo examine or try, as by the use of some reagent."to test a solution by litmus paper"
8.verbTo attest (a document) legally, and date it.
9.verbTo make a testament, or will.
10.nounThe act of conducting a test; trialing, proving.
11.adjectiveDifficult, tough