Synonyms of maintenance

maintenance

noun

ˈmānt-nən(t)s 

as in preservation

the act or activity of keeping something in an existing and usually satisfactory condition

I was hired to perform basic maintenance until the property could be sold

Synonyms & Similar Words

• preservation
• preserving
• upkeep
• conservation
• keep
• conserving
• sustentation
• care and feeding
• support
• conservancy
• sustaining
• protection
• custody
• defense
• guardianship
• safeguarding
• guarding
• safekeeping
• care

Antonyms & Near Antonyms

• neglect
• negligence
• disregard
• ignoring
• destruction
• injury
• damage
• inattention
• harm
• demolition
• dereliction
• ruin
• hurt
• ruination

Example Sentences

Recent Examples of maintenance

Sleep, for instance, isn’t downtime but active maintenance, when the brain flushes out cellular waste in ways that may help stave off dementia. — Andrea Gawrylewski, Scientific American, 1 Sep. 2026

Prompt tuning, evaluation maintenance, regression testing when the underlying model updates and content that drifts out of date all require ongoing attention. — Antony P Gregory, Forbes.com, 1 Sep. 2026

Now, just over two years later, the addition of new shops, widespread building maintenance and restoration, landscaping, and the presence of 24-hour security, clearly shows that the Plaza is on the upswing. — Kansas City Star, 31 Aug. 2026

According to the Frank Lloyd Wright Building Conservancy, an organization that works to preserve Wright’s projects, the home’s current state stems from years of deferred maintenance. — News Desk, Artforum, 31 Aug. 2026