Synonyms of impairs

impairs

verb

present tense third-person singular of impair

as in damages

to reduce the soundness, effectiveness, or perfection of

already impaired by a crack, the windshield shattered upon impact with the baseball

Synonyms & Similar Words

• damages
• injures
• mars
• weakens
• cripples
• erodes
• hurts
• compromises
• harms
• undermines
• disfigures
• destroys
• vitiates
• spoils
• breaks
• flaws
• defaces
• crosses (up)
• deteriorates
• bloodies
• shatters
• ruins
• blemishes
• crabs
• enfeebles
• enervates
• tarnishes
• wounds
• endamages
• demolishes
• disables
• blights
• devastates
• scours
• batters
• wears (away)
• botches
• wrecks
• mutilates
• maims
• annihilates
• decimates
• washes out
• mangles
• tortures
• smashes
• lacerates
• dents
• wastes
• torments
• crushes
• clobbers
• dings
• pulverizes
• gums (up)
• desolates
• razes
• hamstrings
• wipes out
• tears down
• queers
• lames
• bashes
• totals
• does in
• dints
• dashes
• scourges
• bangs up

Antonyms & Near Antonyms

• repairs
• reconstructs
• doctors
• helps
• rebuilds
• reconditions
• renovates
• fixes
• mends
• revamps
• heals
• patches
• rectifies
• rehabilitates
• improves
• enhances
• cures
• remedies
• revises
• enriches
• ameliorates
• refines
• remodels
• edits
• perfects
• betters
• meliorates

Example Sentences

Recent Examples of impairs

The BBBofC also observes that just a two per cent loss of body fluid impairs performance while 10 per cent can cause circulatory failure and heat stroke. — Sarah Shephard, New York Times, 10 Sep. 2026

Financial stress impairs the cognitive functioning that good financial decision-making requires. — Dr. Erika Rasure, Forbes.com, 9 Sep. 2026

The delay, the filing notes, impairs Pewitt’s defense because the memories of witnesses fade and their availability is unknown, and the ability to find and re-examine physical evidence after 31 years is compromised. — Amy Lavalley, Chicago Tribune, 5 Aug. 2026

Hwang suffered a traumatic brain injury from the attack, leading to ataxia, a neurological disorder that impairs movement and muscle control, and occasional seizures. — Kansas City Star, 31 July 2026

Punishment should be reserved for the guilty, not the sick, and postpartum psychosis, by definition, impairs a mother’s ability to process reality. — Uruj Kamal Haider, Time, 21 July 2026

The chronic disease, which impairs the body’s ability to properly regulate blood sugar, contributed to 94,445 deaths that year. — Melissa Rudy, FOXNews.com, 3 July 2026

Cold water shock impairs breathing and can overwhelm even strong swimmers within seconds. — Kara Fox, CNN Money, 28 June 2026

Aphasia impairs a person's ability to speak. — Stephanie Stahl, CBS News, 26 June 2026