Tic″kle, a. 1. Ticklish; easily tickled.
2. Liable to change; uncertain; inconstant.
The world is now full tickle, sikerly. Chaucer.
So tickle is the state of earthy things. Spenser.
3. Wavering, or liable to waver and fall at the slightest touch; unstable; easily overthrown.
Thy head stands so tickle on thy shoulders, that a milkmaid, if she be in love, may sigh it off. Shak.