Reliable
Reliable adjective - Worthy of one's trust.
Usage example: I need a reliable car that's not going to break down constantly
Strong is a synonym for reliable in trustworthy topic. In some cases you can use "Strong" instead an adjective "Reliable".
Strong
Strong adjective - Marked by the ability to withstand stress without structural damage or distortion.
Usage example: buildings strong enough to withstand an earthquake
Nearby Word: strongly
Mutual synonyms
Both words in one sentence
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One is reliable and strong (her relationship with Superman), the other is kind but flaky (her relationship with Clark).
Source: Her Code Name Was "Mary Sue" - Iris from Phoenix Wright: Trials and Tribulations is thought of this way by Edgeworth after she calls Maya 'strong and reliable' and Larry 'sincere and hard-working'; however, they can be described as these under certain circumstances.
Source: Horrible Judge of Character -
She still has a strong sense of duty and honor — at times too strong — and is one of your toughest and most reliable party members despite her gray hair.
Source: Cool Old Lady
Cite this Source
Strong and Reliable. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/reliable/strong
Reliable & Strong. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/reliable/strong>.
Strong or Reliable. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/reliable/strong.
Google Ngram Viewer shows how "reliable" and "strong" have occurred on timeline