8
inconspicuous
5
hidden
4
ambiguous
3
unclear
2
concealed
2
equivocal
2
indefinite
2
secret
1
covert
1
invisible
1
obscure
1
cute(direct, obvious, frank)
1
nebulous
1
nice
1
subtle
1
unobtrusive
1
unobvious
1
under the radar
0
vague
0
beg
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APASmart Define. (2016). patent thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/patent/thesaurus/antonyms
ChicagoSmart Define. 2016. "patent thesaurus" https://smartdefine.org/patent/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, patent thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/patent/thesaurus/antonyms>.
MLASmart Define. "patent thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/patent/thesaurus/antonyms>