1
as in to increase
to become greater in extent, volume, amount, or number
static electricity built up on the cat's fur
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in to gain
to gradually increase in
the roller coaster built up momentum
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in to accumulate
to gradually form into a layer, pile, or mass
evidence that the toxic chemical builds up in the bloodstream to unhealthy levels
Synonyms & Similar Words
Antonyms & Near Antonyms
4
as in to expand
to make greater in size, amount, or number
he patiently built up his coin collection over several decades the young stockbroker worked hard to build up a clientele
Synonyms & Similar Words
Antonyms & Near Antonyms
as in promotion
Related Words
Cite this Entry
“Build up.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/build%20up. Accessed 25 Oct. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
