Maintained
Maintained adjective - Kept in good condition.
Safe and maintained are semantically related In some cases you can use "Safe" instead an adjective "Maintained".
Safe
Safe adjective - Not exposed to the threat of loss or injury.
Maintained and safe are semantically related in free from harm topic. Sometimes you can use "Maintained" instead an adjective "Safe".
Mutual synonyms
Both words in one sentence
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Because it's a Federal Highway it is reasonably safe for the terrain and well maintained.
Source: Ridiculously Difficult Route -
Whereas the Darkness seems to revel in lawlessness and chaos, the Light tends to prefer law and order, providing for properly maintained roads, a court system, and safe cities.
Source: Light Is Not Good -
Dunno where we're at now, but considering the current lineup includes Namor (who's stronger than the Incredible Hulk so long as he's underwater), Hope (who has All Your Powers Combined) and Magneto (who once almost destroyed civilization), safe to say that escalation has been maintained.
Source: Sequel Escalation
Cite this Source
Safe and Maintained. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/maintained/safe
Maintained & Safe. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/maintained/safe>.
Safe or Maintained. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/maintained/safe.
Google Ngram Viewer shows how "maintained" and "safe" have occurred on timeline