WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / B / building block building block noun /bɪldɪŋblɑk/ 14 letters Scrabble 25 WWF 33 Definitions noun a single undivided natural thing occurring in the composition of something else unit noun a block of material used in construction work Look “building block” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →