Suck/sʌk/ Definition 1 of 4Pro Tip 1/3Literal Action Used literally when physically drawing something into the mouth. She sucked water through a straw. Pro Tip 2/3Not Always Liquid While often used for liquids, it can refer to solids too. The child sucked a piece of candy. Pro Tip 3/3Neutral Tone This use carries no positive or negative connotation by itself. Newborn animals suckle to feed.