9
ready(adjective, set, open, complete, qualified)
8
accessible(adjective, set, complete, ready, qualified)
6
available(adjective, adverb, ready, accessible, working)
6
on demand
5
handy(adjective, set, complete, ready, accessible)
4
at hand(expression, adjective, set, complete, ready)
4
on hand(expression, adjective, set, complete, accessible)
3
on tap(expression, adjective, set, complete, accessible)
2
apt(adjective, set, open, complete, accessible)
2
convenient(adjective, set, complete, accessible, qualified)
2
demand
2
on deck(adjective, ready)
2
on task
2
prepared(adjective, set, open, complete, ready)
2
reserve
2
standing by(expression, adjective, adverb, set, complete)
1
tap
1
adaptable
1
adjusted(adjective, set, complete, accessible, qualified)
1
all-around
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APASmart Define. (2015). on call thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/on_call/thesaurus/synonyms
ChicagoSmart Define. 2015. "on call thesaurus" https://smartdefine.org/on_call/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, on call thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/on_call/thesaurus/synonyms>.
MLASmart Define. "on call thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/on_call/thesaurus/synonyms>