| Verb | 1. | suck in - take up as if with a sponge |
| 2. | suck in - attract by using an inexorable force, inducement, etc.; "The current boom in the economy sucked many workers in from abroad" Synonyms: suck | |
| 3. | suck in - draw in as if by suction; "suck in your cheeks and stomach" Synonyms: draw in | |
| 4. | suck in - remove as if by suction; "draw in air" |