- 1[transitive] swill something (down) (informal) to drink something quickly and/or in large quantities
- 2 [transitive, intransitive] to move, or to make a liquid move, in a particular direction or around a particular place swill something + adv./prep. He swilled the juice around in his glass. Firefighters swilled away a large spill of fuel oil. + adv./prep. Water swilled around in the bottom of the boat.
NAmE//swɪl//Verb Forms present simple I / you / we / they swill
he / she / it swills
past simple swilled
-ing form swilling