A light blow or a jolting collision. The car ride was smooth until we felt a bump on the road.
A raised area on a surface, often caused by a blow or pressure. She had a bump on her forehead after hitting it on the door.
A swelling or protuberance on the body, often due to injury or irritation. He noticed a bump on his arm after the insect bite.
A small increase or rise, often in terms of quantity or level. The company saw a bump in sales during the holiday season.
(informal) A visible swelling of a pregnant woman's abdomen. She proudly showed off her baby bump at the party.