ˈsʌtl adj. (subtler, subtlest) 1
evasive or
mysterious;
hard to
grasp (subtle
charm; a subtle distinction). 2 (of
scent,
colour, etc.)
faint,
delicate,
elusive (subtle perfume). 3 a
capable of
making fine distinctions;
perceptive;
acute (subtle
intellect; subtle senses). b
ingenious;
elaborate;
clever (a subtle device). 4
archaic crafty,
cunning. øøsubtleness n. subtly adv. [ME f. OF sotil f. L subtilis]