adj.
VERBS
▪ be
▪ become
ADVERB
▪ extremely , fairly , very , etc.
▪
He isn't used to such ~ exercise.
▪
They are leading a very ~ campaign to get the chairman removed.
▪ particularly
PREPOSITION
▪ in
▪
The group is not ~ enough in its opposition to the proposals.
Vigorous is used with these nouns: ↑ action , ↑ attack , ↑ campaign , ↑ debate , ↑ defence , ↑ denial , ↑ dissent , ↑ enforcement , ↑ exercise , ↑ exertion , ↑ growth , ↑ opponent , ↑ pursuit , ↑ shake , ↑ shrub , ↑ stroke , ↑ workout