Reliable
Reliable adjective - Worthy of one's trust.
Usage example: I need a reliable car that's not going to break down constantly
Safe is a synonym for reliable in property topic. In some cases you can use "Safe" instead the word "Reliable" as an adjective or a noun, when it comes to topics like reputable, trustworthy, dependable. popular alternative
Safe
Safe adjective - Worthy of one's trust.
Usage example: she always offers safe advice
Reliable is a synonym for safe in cautious topic. You can use "Reliable" instead an adjective "Safe", if it concerns topics such as character trait, trustworthy, not dangerous. popular alternative
Mutual synonyms
Both words in one sentence
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It wasn't until the Avalonians (and later the United Stars) figured out how to fight the Serpents that hyperspace became safe and reliable.
Source: Hyperspace Is a Scary Place - As Bob explains it, it's not in the least reliable or safe.
Source: Fan Fic / The Dresden Fillies - Thankfully, those are the only drawbacks; once a gun is completed, it's just as safe and reliable as any gun like it.
Cite this Source
Safe and Reliable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/reliable/safe
Reliable & Safe. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/reliable/safe>.
Safe or Reliable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/reliable/safe.
Google Ngram Viewer shows how "reliable" and "safe" have occurred on timeline