IPA: /ˈtɛstɪŋ/
KK: /ˈtɛstɪŋ/
Something that is difficult or challenging and requires a lot of effort or skill.
The testing conditions of the exam made it hard for many students to succeed.
The action of trying something out to see if it works or to check its quality.
The testing of the new software revealed several bugs that needed fixing.
To carry out a procedure to find out if something works correctly or to check its quality.
The engineers are testing the new software to ensure it functions properly.
Past: tested
Past Participle: tested
Testing → It is formed from "test" (from Latin "testari", meaning to witness or to prove) and "-ing" (a suffix used to form the present participle or gerund). The word "testing" refers to the act of witnessing or proving something through examination or trial.
Think of 'test' as proving something and '-ing' as the action of doing it. So, testing is the action of proving or examining something.