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 chain is testing the menu item at about 45 Georgia restaurants. — Amy Wenk, AJC.com, 20 Aug. 2026

Susser compared it to testing individuals for Covid-19 compared to testing wastewater for the virus. — Harmeet Kaur, CNN Money, 20 Aug. 2026

The technology is still experimental, but more researchers and companies like Neuralink and Synchron are now testing these devices in human clinical trials. — Shannon Cuthrell, IEEE Spectrum, 20 Aug. 2026

Unspun also has yet to disclose the blend ratios, performance specifications or production volumes for its new fabrics, nor whether brands are already testing them commercially. — Alexandra Harrell, Footwear News, 20 Aug. 2026

Moderna and Merck are currently testing the approach in nine Phase 2 and Phase 3 trials covering lung, bladder and kidney cancers. — Georgina Jedikovska, Interesting Engineering, 20 Aug. 2026

The company has been testing the vehicles on Denver streets since last year. — Elizabeth Hernandez, Denver Post, 20 Aug. 2026

Takeda is testing orexin-targeting drugs for sleep apnea and chronic daytime sleepiness. — Harriet Marsden, TheWeek, 20 Aug. 2026

Australian tennis player Nick Kyrgios has been provisionally suspended by the sport’s ethics body after testing positive for cocaine, the latest in a series of setbacks including injuries and a first-round doubles loss at Wimbledon this year. — Victoria Craw, Washington Post, 19 Aug. 2026