Dictionary
sub•tle
Pronunciation: (sut'l), [key]—
adj., -tler, -tlest.
1. thin, tenuous, or rarefied, as a fluid or an odor.
2. fine or delicate in meaning or intent; difficult to perceive or understand:
subtle irony.
3. delicate or faint and mysterious:
a subtle smile.
4. requiring mental acuteness, penetration, or discernment:
a subtle philosophy.
5. characterized by mental acuteness or penetration:
a subtle understanding.
6. cunning, wily, or crafty:
a subtle liar.
7. insidious in operation:
subtle poison.
8. skillful, clever, or ingenious:
a subtle painter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.