Synonyms of testing

testing 1 of 2

adjective

ˈte-stiŋ 

as in challenging

requiring considerable physical or mental effort

beginning rock climbers should choose a less testing route to the summit

Synonyms & Similar Words

• challenging
• difficult
• rigorous
• tough
• demanding
• hard
• complicated
• formidable
• heavy
• rough
• rugged
• exacting
• arduous
• killer
• effortful
• severe
• exhausting
• strenuous
• grueling
• laborious
• intricate
• sweaty
• complex
• uphill
• tall
• painful
• backbreaking
• murderous
• pick-and-shovel
• problematic
• serious
• toilsome
• herculean
• involved
• stiff
• annoying
• trying
• elusive
• tricky
• hellacious
• bruising
• abstract
• moiling
• stressful
• stubborn
• troublesome
• Augean
• strict
• brutal
• stringent
• onerous
• labored
• abstruse
• oppressive
• tight
• thorny
• grim
• hairy
• opaque
• recondite
• insoluble
• burdensome
• irksome
• ticklish
• taxing
• bothersome
• knotty
• spiny
• distressing
• vexatious
• cruel
• grievous
• inhuman

Antonyms & Near Antonyms

• light
• simple
• easy
• soft
• cheap
• clear
• elementary
• effortless
• mindless
• facile
• achievable
• undemanding
• uncomplicated
• manageable
• doable
• smooth
• gentle
• comforting
• soothing
• relaxed
• painless
• accessible
• friendly
• user-friendly
• idiotproof

testing

2 of 2

verb

present participle of test

1

as in sampling

to put (something) to a test

please test this sample for the presence of lead

Synonyms & Similar Words

• sampling
• examining
• trying (out)
• exploring
• investigating
• researching
• studying
• checking (out)
• experimenting (with)
• retesting
• feeling (out)
• resampling

2

as in trying

to subject (a personal quality or faculty) to often excessive stress

all of these unnecessary questions are testing my patience

Synonyms & Similar Words

• trying
• stretching
• pushing
• straining
• getting (to)
• taxing
• bothering
• annoying
• irritating
• demanding
• exacting
• pressuring
• harassing
• aggravating
• gnawing (at)
• pressing
• pestering
• exasperating
• importuning
• harrying
• grating
• vexing
• agitating
• hassling
• paining
• spiting
• riling
• nettling
• galling
• peeving
• irking

Example Sentences

Recent Examples of testing

Verb

The internet has tried just about everything in the name of fuller lips, from overlining them into an entirely new shape to testing every plumping gloss that promises a little extra volume. — Camila Quimper, Footwear News, 10 Nov. 2026

The Nets are 2-8, and his struggles are testing Fernández’s insistence that playing time must be earned. — C.j. Holmes, New York Daily News, 10 Nov. 2026

The Dodgers are poised to make news one way or another, with an opening on the coaching staff to fill, a finalist for a major award, and the belle of the 2026-27 free agent class testing the market. — Maddie Lee, Los Angeles Times, 10 Nov. 2026

Stanford researchers found similar difficulties in PhysicianBench and HealthAdminBench, two benchmarks testing AI agents on clinical and administrative work. — Wen Shao, Fortune, 10 Nov. 2026

The Hulu series chronicles Holmes’ rise as the founder of the blood-testing company Theranos, which promised to revolutionize medical testing with technology that could run multiple tests using just a few drops of blood. — Lily Brown, PEOPLE, 9 Nov. 2026

Another drug called retatrutide—an experimental weight-loss injection that the company is currently testing—helped ease pain caused by osteoarthritis in the knee. — Alice Park, Time, 9 Nov. 2026

Reaching 34 kA marked a significant increase in testing current and allowed engineers to examine the component’s structural response under stronger electromagnetic forces. — Neetika Walter, Interesting Engineering, 4 Nov. 2026

As reported by The Hollywood Reporter, the actors testing for Bond include Turner and Slow Horses star Jack Lowden. — James Hibberd, HollywoodReporter, 3 Nov. 2026