Synonyms|209Antonyms|1|Broader|10Narrower|2Related|61
2
patent
2
pilot
2
portcullis
2
preventive
2
prophylactic
2
protective clothing
2
protective umbrella
2
rampart
2
roadblock
2
rock-fill dam
2
safeguard
2
uphold
2
wall
1
advocate
1
aegis
1
arch dam
1
arm guard
1
bamboo curtain
1
bank
1
barrage
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APASmart Define. (2015). backstop thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/backstop/thesaurus/synonyms
ChicagoSmart Define. 2015. "backstop thesaurus" https://smartdefine.org/backstop/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, backstop thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/backstop/thesaurus/synonyms>.
MLASmart Define. "backstop thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/backstop/thesaurus/synonyms>