Entry Word: undo

Function: verb

Meaning: 1 to deprive of courage or confidence <the sudden shriek undid the campers> — see unnerve 1
2 to disengage the knotted parts of <undo a tangled shoelace> — see untie
3 to trouble the mind of; to make uneasy <the mere mention of the incident still had the power to undo her> — see disturb 1