We found 5 dictionaries that define the word building up:

General (5 matching dictionaries)

1. building up: Merriam-Webster
2. building up: Collins English Dictionary
3. building up: Vocabulary.com
4. building-up: Wordnik
5. building up: Wiktionary

Phrases: building up to, building up to a storm, building up over time, building strength back up, gradually building up, more... ▸ Words similar to building up ▸ Usage examples for building up ▸ Idioms related to building up ▸ Wikipedia articles (New!) ▸ Words that often appear near building up ▸ Rhymes of building up ▸ Invented words related to building up