C1 adjective /ˈtɪklɪʃ/
ticklish
chatouilleuse, sensible
Meaning
easily made to laugh by being touched lightly; easily upset or sensitive
Example
She is very ticklish and bursts into laughter when touched on her feet.
Elle est très chatouilleuse et éclate de rire lorsqu'on lui touche les pieds.