63 entries under idiom topic. ×

8
military volunteer(noun, expression)
8
present oneself(expression, offer, offer oneself)
3
unpaid worker(noun, expression, helper)
2
go out on limb(expression, submit, guess, suggest)
2
offer services(verb, expression, agree, offer)
2
submit oneself(verb, expression, agree, offer)
2
take upon oneself(verb, expression, accept, start)
1
be a candidate(expression, offer)
1
call to arms(expression, join, admit, gather)
1
candy striper(noun, expression, helper)
1
come up with(verb, expression, yield, urge)
1
go in for(verb, expression, accept, start)
1
go to it(expression, help, attack, do)
1
have a fling at(expression, advance, operate, dare)
1
have a hand in(verb, expression, accept, start)
1
have a try(verb, expression, accept, start)
1
help get busy(expression, help, attack, do)
1
hop to it(expression, help, attack, do)
1
lay before(verb, expression, yield, urge)
1
lay on the line(verb, expression, yield, urge)
11 years ago|10k views|share |citing 
APASmart Define. (2015). volunteer thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/volunteer/thesaurus/synonyms
ChicagoSmart Define. 2015. "volunteer thesaurus" https://smartdefine.org/volunteer/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, volunteer thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/volunteer/thesaurus/synonyms>.
MLASmart Define. "volunteer thesaurus" 20 July 2015. Web. 28 September 2026. <https://smartdefine.org/volunteer/thesaurus/synonyms>