American English

Definition of bulk out/up phrasal verb from the Oxford Advanced American Dictionary

 

bulk out/up

 phrasal verb
phrasal verb
 
jump to other results
Phrasal Verbs

bulk somethingout/up

 
jump to other results
to make something bigger, thicker, or heavier Meatballs often have bread in them to bulk them out. He acquired another small airline and bulked up operations.