1. (verb) to lag or linger behind

• drag
• drop behind
• get behind
• hang back
• trail

1. (verb) take position in the rear, as in a military formation or in the line of scrimmage in football

• move

2. (verb) to lag or linger behind

• dawdle
• fall back
• fall behind
• lag

1. (verb) to lag or linger behind

• dawdler
• drone
• laggard
• lagger
• poke
• trailer