Harden up

Pronunciation: /ˈhɑɹdən ˈəp/

Harden up (verb)

  1. To stop feeling upset or weak and act with more strength and control.
  2. To train yourself to accept criticism, pain, or stress without reacting too strongly.
  3. To make something or someone stronger so it can handle difficult conditions.

Examples

  • The material hardens up after the coating dries.
  • The team hardens up when the pressure rises.