Carve up, meaning to divide or split something, has several antonyms depending on the context of its usage. These antonyms include joining or uniting, merging or blending, cooperating or collaborating, teaming up or working together, and consolidating or amalgamating. These words imply a sense of togetherness and working in conjunction to create a final outcome, as opposed to dividing or separating something. In business or politics, antonyms for carve up include partnership or alliance, coalition building or consensus, and negotiation or mediation. Using these words instead of 'carve up' offers a more positive outlook, emphasizing mutual benefits and collaborative processes.