Word
testing
Phoneticstest·ing, stress on the first syllable
US/ˈtɛstɪŋ/
UK/tˈɛstɪŋ/
Definitions
01checking if something works
B1 · Intermediate Uncountable noun
n. the process of checking a person, machine, or system to see if it works well.
n. the systematic process of evaluating the quality, performance, or reliability of something before it is put into widespread use.
“The new software is currently undergoing testing to find any bugs.”
“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.
Synonyms
02difficult or challenging
B2 · Upper Intermediate
adj. difficult to deal with because it requires a lot of effort or patience.
adj. challenging or demanding; specifically used for situations that strain one's endurance or abilities.
“It has been a testing time for the family since they lost their home.”
“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.
Synonyms
Antonyms
Collocations
Common phrases and expressions where native English speakers use the word “testing” in context.
Verb
01. require testing
“New software updates always require testing before they are released to the public.”
verb + noun
Real-World Examples
“He then sought to persuade the parents to give them to him in turn by offering to arrange for cutting-edge DNA testing.” “An ‘extraordinary’ fire season is testing those who are left.” Word family
NOUN
Idioms
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Common
- Level
- B2 · Upper IntermediateOxford
- Updated
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