subtle
//ˈsʌt.əl//
Adjective
subtleCanonical form
subtlerComparative
subtlestSuperlative
1
So delicate or precise as to be difficult to analyze or describe; not obvious or immediately noticeable
There was a subtle change in her tone of voice.
2
Making use of clever and indirect methods to achieve something; showing skill and ingenuity
She used subtle tactics to persuade him to change his mind.
3
Arranged in an ingenious and elaborate way; requiring mental acuity to perceive or understand
The detective uncovered the subtle clues that revealed the truth.