run aground (third-person singular simple present runs aground, present participle running aground, simple past and past participle ran aground)
- (intransitive) For a vessel to be immobilized by water too shallow to allow it to float.
- The ship ran aground and had to be towed back out to sea.
- (transitive) To cause a vessel to run aground.
- The drunken helmsman ran the ship aground.
to be immobilized by shallow water