Definition of "dig in" in English

Verb

1. To begin eating.

   • I wanted to say grace before dinner, but the kids were already digging in.

2. To engage in a burst of hard work.

   • I've got to dig in for a couple of weeks to secure my promotion.

3. To dig trenches to resist an enemy attack.

4. To adopt a resolute state of mind.

   • to dig in one's feet, heels, etc.

5. To cover over by digging.