Emily Dickinson Lexicon

TICK'LISH, a.

1. Sensible to slight touches; easily tickled. The bottom of the foot is very ticklish, as are the sides. The palm of the hand, hardened by use, is not ticklish.
2. Tottering; standing so as to be liable to totter and fall at the slightest touch; unfixed; easily moved or affected. Ireland was a ticklish and unsettled state. Bacon.
3. Difficult; nice; critical; as, these are ticklish times. Swift.