1. most restless, impatient, or eager to move or act
Usage: superlative form of antsy; informal

Examples

• She was the antsiest of all the students waiting for test results.
• By the third hour of the meeting, he had become the antsiest person in the room.
• The kids get antsiest right before recess.
• After sitting still for so long, I’m feeling antsiest about getting up and moving.
• Of all the passengers on the delayed flight, she seemed the antsiest to leave.