Definition of closely:

• In a close manner.

Usage examples for closely

1. He looked at it more closely, then burst into a loud laugh.  The Case of the Golden Bullet by Grace Isabel Colbron, and Augusta Groner

2. Between now and that moment you will be so closely watched that you can do nothing and will have no opportunity to try.  Raiders of the Universes by Donald Wandrei

3. " He tells me they're watching him down at the office pretty closely, though," said Kendrick when she paused for breath.  Every Man for Himself by Hopkins Moorhouse