- Lacking nerve: fearful; cowardly.
- (biology) Lacking a nervous system.
- Devoid of nerves: calm, controlled, cool under pressure.
- 2012 June 28, Jamie Jackson, “Wimbledon 2012: Lukas Rosol shocked by miracle win over Rafael Nadal”, in the Guardian:
- There was no distracting Rosol's ice-calm as he killed the fifth set and match. Ace, cross-court forehand winner, ace, forehand winner – a blistering eighth game took him to 5-3 and informed Nadal precisely how nerveless the Czech was.