Definitions

1. noun

a cut or incision made from underneath, typically to weaken or damage something

“The engineer’s design had a potential undercut that could cause the bridge to collapse.”

2. verb

to cut or remove something from underneath, typically to weaken or damage it

“The dishonest businessman undercut his competitor’s prices to steal their customers.”

3. verb

to reduce or undermine something, typically in a subtle or insidious way

“The politician’s opponents accused him of undercutting their policies with his empty promises.”