bulk - definition and synonyms

verb 

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/bʌlk/
present tense
I/you/we/theybulk
he/she/itbulks
present participlebulking
past tensebulked
past participlebulked

phrasal verbs

bulk out

[transitive]
present tense
I/you/we/theybulk out
he/she/itbulks out
present participlebulking out
past tensebulked out
past participlebulked out
to add something to something else to make it bigger or more satisfactory

You can always bulk out a meal with bread or rice.

bulk up

[intransitive]
present tense
I/you/we/theybulk up
he/she/itbulks up
present participlebulking up
past tensebulked up
past participlebulked up
to become bigger and heavier

After bulking up for his last film role, he’s now down to a slim 11 stone.

 Synonyms and related words