the GNU version of the Collaborative International Dictionary of English
adj. Sensible to slight touches; easily tickled.
adj. Standing so as to be liable to totter and fall at the slightest touch; unfixed; easily affected; unstable.
adj. Difficult; nice; critical.
The Century Dictionary and Cyclopedia
Easily moved or unbalanced; unsteady; unstable; uncertain; inconstant.
Dubious; difficult; critical.
Easily tickled: tickly; touchy: as, the sole of the foot is very ticklish; a ticklish person.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. difficult to handle; requiring great tact
Word Usage
""Yes – there!" said Nancy, holding up Ellen's bare feet on one hand, while the fingers of the other secretly applied in ticklish fashion to the soles of them caused Ellen suddenly to start and scream."