Synonyms|170Antonyms|78|Broader|0Narrower|0Related|1.2k
1
fixed
1
indubitable
1
intelligible(adjective, plain)
1
knowable(adjective, plain)
1
luminous
1
made sure
1
mellow(adjective, free, friendly, appropriate, honest)
1
nonambiguous
1
noticeable
1
objective(adjective, free, friendly, appropriate, honest)
1
observable
1
on ice
1
openhearted(adjective, free, friendly, appropriate, honest)
1
pellucid(adjective, plain)
1
perceivable
1
perceptible
1
perspicuous
1
plain as day(expression, idiom)
1
proved
1
secure
For more, visit Open-and-shut on Power Thesaurus
10 years ago|8.7k views|share |citing 
APASmart Define. (2016). open-and-shut thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/open-and-shut/thesaurus/synonyms
ChicagoSmart Define. 2016. "open-and-shut thesaurus" https://smartdefine.org/open-and-shut/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, open-and-shut thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/open-and-shut/thesaurus/synonyms>.
MLASmart Define. "open-and-shut thesaurus" 31 March 2016. Web. 29 September 2026. <https://smartdefine.org/open-and-shut/thesaurus/synonyms>