subtile

Subtle.

To contrive or practise cunningly.

To scheme or plan cunningly.

To tamper; meddle.

Tenuous; thin; extremely fine; rare; rarefied: as, subtile vapor; subtile odors or effluvia; a subtile powder; a subtile medium. Also subtle.

Delicately constituted, made, or formed; delicately constructed; thin; slender; fine; delicate; refined; dainty. Also subtle.

Sharp; penetrating; piercing.

Same as subtle, 3.

Same as subtle, 4.

Same as subtle, 5.