underpack

Verb

underpack (third-person singular simple present underpacks, present participle underpacking, simple past and past participle underpacked)

1. (intransitive) To pack too little.
   • In spite of its subject, imminent death, Mr. Turturro said: "This was fun. I was curious to see if you could find the right tone for something like that. It was a very elusive thing, because you couldn't underpack it or overpack it. When you're doing it, you can't think about whether or not it's...2000 October 6, Dave Kehr, “AT THE MOVIES; Burstyn Past And Present”, in The New York Times
   • Instead, empty bags were folded diligently into the corners of underpacked suitcases, waiting to be jammed full with the familiar objects of home.2001 March 25, Eve Schaenen, “Changing Face Of Home”, in The New York Times

   Antonyms:

   overpack

2. To pack beneath something.
   • A trench was dug round the front of the engine to provide the necessary working clearance and the trailing radial wheels, which had remained at ground level, were underpacked with short lengths of rail laid sideways on a sleeper foundation.1955 March, “Rerailing a Pacific near Hitchin”, in Railway Magazine, page 183