IPA: /ˈtɪk.lɪʃ.nəs/
KK: /ˈtɪk.lɪʃ.nəs/
The quality or state of being sensitive to touch in a way that causes laughter or discomfort.
Her ticklishness made it hard for her to sit still during the game.
Ticklishness → It is formed from "tickle" (of uncertain origin, possibly from Middle English *ticklen*, meaning to touch lightly) and the suffix "-ness" (meaning the state or quality of). The word "ticklishness" refers to the state of being easily tickled or sensitive to light touches.
Think of the light touch that makes you giggle — that's what ticklishness means, the quality of being easily tickled.