psychology A person who tends to shrink from social contacts and to become preoccupied with their own thoughts.

Polish: introwertyk

Fold inwards.

synonym: invaginate.

Roget 218: be inverted &c.; turn round, turn about, turn to the right about, go round, go about, go to the right about, wheel round, wheel about, wheel to the right about; turn over, go over, tilt over, topple over; capsize, turn turtle.    invert, subvert, retrovert^†, introvert; reverse; up turn, over turn, up set, over set; turn topsy turvy etc. adj.; culbuter^†; transpose, put the cart before the horse, turn the tables.    ... show more

Turn inside.