build up 386 Views build up (increase in amount, size, or strength) The traffic along this road really builds up after seven o’clock. I need to do more exercise to build up my strength. Audio Playerhttps://envocabulary.com/wp-content/uploads/2021/09/build-up.mp300:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume. envocabulary.com
