swim /swɪm/ verb (present participle swimming, past tense swam, past participle swum)
THROUGH WATER [I, T] › to move through water by moving your body: I learnt to swim when I was about 5 years old. I swim thirty lengths of the pool most mornings. HEAD [I] › If your head swims, you feel confused and are unable to see or think clearly: Just the thought of all that work makes my head swim. SEEM TO MOVE [I] › to seem to move about: I got up suddenly and the room started swimming. swimming noun [U] › I usually go swimming about twice a week. swimmer noun [C] › I'm not a very strong swimmer.