Spill/spɪl/ Definition 1 of 5Pro Tip 1/2Accidental action Learning 'spill' as a verb often relates to unintentional actions with liquids. I accidentally spilled milk on the floor. Pro Tip 2/2Negative connotation 'Spill' usually suggests carelessness and might imply a mess that needs cleaning up. Be careful not to spill your juice!