build onto

phrasal verb

built onto; building onto; builds onto
: to add (a new room) to a structure that already exists
They built a new garage onto their house.
They built onto their house.

Dictionary Entries Near build onto

Cite this Entry

“Build onto.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/build%20onto. Accessed 1 Dec. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!