Durable
Durable adjective - Existing for a long time.
Sound is a synonym for durable in sturdy topic. In some cases you can use "Sound" instead an adjective "Durable", when it comes to topics like long-lasting, hard-wearing.
Nearby Words: durability, durably
Sound
Sound adjective - Marked by the ability to withstand stress without structural damage or distortion.
Usage example: the shed looks flimsy, but it's actually surprisingly sound
Durable is a synonym for sound in sturdy topic. Sometimes you can use "Durable" instead an adjective "Sound", if it concerns topics such as well built.
Mutual synonyms
Both words in one sentence
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Even though CD's are more durable and have a much crisp clearer sound, LP's are still collected by aficionados out of Nostalgia Filter.
Source: Two Decades Behind - Those made in the 1980's were heavier, more durable, and had clearer picture/sound than the ones coming out in the late 90's and early 2000's, around the time DVD began to take over (whose advertising made it seem like VHS tapes were always cheaply made with bad sound/video quality).
Cite this Source
Sound and Durable. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/durable/sound
Durable & Sound. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/durable/sound>.
Sound or Durable. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/durable/sound.
Google Ngram Viewer shows how "durable" and "sound" have occurred on timeline