Fist/fɪst/ Definition 1 of 4Pro Tip 1/3Physical Expression A clenched fist often expresses determination or frustration. She showed her determination with a clenched fist. Pro Tip 2/3Non-verbal Communication Fists can communicate emotions without words, like anger or solidarity. The crowd raised fists in silent protest. Pro Tip 3/3Sports Celebrations A fist pump is a joyful gesture often seen in sports victories. He celebrated his win with an exuberant fist pump.