When subtle came to first be used in Middle English its meaning was very much in this same lineage. It meant "perceptive, refined," and was used to describe people known for their clear thinking—such as …

SUBTLE definition: thin, tenuous, or rarefied, as a fluid or an odor. See examples of subtle used in a sentence.

2. difficult to detect or analyse, often through being delicate or highly refined: a subtle scent. 5. delicate or faint: a subtle shade. 6. cunning or wily: a subtle rogue. 7. operating or executed in secret: a …

SUBTLE definition: 1. not loud, bright, noticeable, or obvious in any way: 2. small but important: 3. achieved in a…. Learn more.

Apr 3, 2026 · Adjective subtle (comparative subtler or more subtle, superlative subtlest or most subtle) Senses relating to tangible things. Of an action or movement: very delicate or slight, and thus barely …

difficult to detect or analyse, often through being delicate or highly refined: a subtle scent showing or making or capable of showing or making fine distinctions of meaning

Definition of subtle adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.