What does "testing" mean?

1. (checking if something works) the process of checking a person, machine, or system to see if it works well. 2. (difficult or challenging) difficult to deal with because it requires a lot of effort or patience.

How do you use "testing"?

Often used as an uncountable noun when referring to a general process. Usually placed before the noun it describes.

testing

n. · adj.

US //ˈtɛstɪŋ// UK //tˈɛstɪŋ// test·ing

1 checking if something works (n.)
B1 Intermediate

the process of checking a person, machine, or system to see if it works well.

the systematic process of evaluating the quality, performance, or reliability of something before it is put into widespread use.

Example

The new software is currently undergoing testing to find any bugs.

Example

Rigorous safety testing is mandatory for all new medical devices before they can be approved for clinical trials by the regulatory board.

Usage

Often used as an uncountable noun when referring to a general process.
2 difficult or challenging (adj.)
B2 Upper Intermediate

difficult to deal with because it requires a lot of effort or patience.

challenging or demanding; specifically used for situations that strain one's endurance or abilities.

Example

It has been a testing time for the family since they lost their home.

Example

The marathon proved to be a testing experience for even the most seasoned athletes due to the unexpected heat and humidity.

Usage

Usually placed before the noun it describes.
- easy
- effortless

Idioms1 entry

01
wind tunnel testing
The application of a rigorous testing regime to a new corporate idea, structure or project to determine if it is viable and fit for purpose.