5
unadvised(adjective, smart, careless, danger, unknowing)
5
unaware(adjective, thoughtless, ill-advised, inexpectation)
5
unprepared
4
unsuspecting(adjective, friendly, thoughtless, gullible, unsuspicious)
3
unadmonished
2
inexpectant
2
nonexpectant
2
unarmed
2
uninformed(thoughtless, unknowing, hermetical, unbriefed, ill-advised)
1
bare-handed
1
defenceless
1
defenseless
1
guardless
1
helpless
1
ignorant(adjective, thoughtless, unknowing, hermetical, unbriefed)
1
inattentive
1
naive(adjective, friendly, innocent, gullible, unsuspicious)
1
off one's guard(expression, idiom, danger, inexpectation)
1
surprised
1
trusting(adjective, friendly, innocent, gullible, unsuspicious)
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APASmart Define. (2015). unwarned thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unwarned/thesaurus/synonyms
ChicagoSmart Define. 2015. "unwarned thesaurus" https://smartdefine.org/unwarned/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, unwarned thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unwarned/thesaurus/synonyms>.
MLASmart Define. "unwarned thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/unwarned/thesaurus/synonyms>