5
eye-catching
4
discernible(adjective, obscure, distinct, dubious, recognizable)
4
perceptible(adjective, obvious, noticeable, invisible)
3
conspicuous(adjective, obscure, uncertain, obvious, seen)
3
noted
3
noticeable
3
obtrusive
3
prominent(adjective, poor)
3
striking(adjective, bad, weak, inconspicuous)
2
apparent
2
blatant
2
detectable
2
evident
2
flagrant
2
glaring
2
marked
2
observable
2
outstanding(adjective, weak, poor, low, striking)
2
visible
1
appreciable(obscure, insignificant)
11 years ago|1.2k views|share |citing 
APASmart Define. (2015). unnoticeable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unnoticeable/thesaurus/antonyms
ChicagoSmart Define. 2015. "unnoticeable thesaurus" https://smartdefine.org/unnoticeable/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unnoticeable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unnoticeable/thesaurus/antonyms>.
MLASmart Define. "unnoticeable thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/unnoticeable/thesaurus/antonyms>