Definition of "suck in" in English

Verb

1. To draw inward using suction. Used other than figuratively or idiomatically: see suck,‎ in.

   • This is the component of the vacuum cleaner that sucks in dust.
   • I sucked in my belly, hoping to hide the extra weight I had put on over the holidays.

2. To cause (someone) to become slowly more and more involved in some business or situation that may not be to their advantage.

   • I really didn't want to be on the committee, but somehow I got sucked in.