Hot answers tagged vocabulary
Of the many synonyms on offer, adage is a good fit: A proverb or short statement expressing a general truth
It can be described as a set phrase: (grammar) A common expression whose wording is not subject to variation. (Yourdictionary.com)
I would say that such phrases are hackneyed, which the OED defines as: 7a. To make common by indiscriminate everyday usage; to render too familiar, vulgar, trite, or commonplace. Also with out, about, upon. But I also see them as platitudes and clichés.
You might be referring to an idiom: "...a phrase or a fixed expression that has a figurative, or sometimes literal, meaning. [...] There are thousands of idioms, and they occur frequently in all languages."
Saying - A common phrase or expression, esp. a proverb, a maxim, an adage (OED).
I'm rather found of colloquialism a word or expression used in casual language by common people. yourdictionary.com
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