say cheess

nervous or timid in the company of other people.

"I was pretty shy at school"

synonyms: bashful, diffident, timid, sheepish, reserved, reticent, introverted, retiring, self-effacing, shrinking, withdrawn, timorous, mousy, fearful, apprehensive, nervous, hesitant, reluctant, doubting, insecure, wary, suspicious, chary, unconfident, inhibited, constrained, repressed, self-conscious, embarrassed, coy, demure, abashed, modest, humble, meek

"as a teenager I was painfully shy"

antonyms: bold, brash, confident

slow or reluctant to do (something).

"the wealthy have become less shy of displaying their privilege"

having a dislike of or aversion to a specified thing.

suffix: -shy

"he was very car shy when he came here"

(of a wild mammal or bird) reluctant to remain in sight of humans.

"otters are very shy animals"

2.

informal