WordWeb Online

1. Obvious to the eye or mind
   "a tower conspicuous at a great distance"; "wore conspicuous neckties"; "made herself conspicuous by her exhibitionistic preening"
    
2. Without any attempt at concealment; completely obvious
   - blatant, blazing

See also: attention-getting, big, bold, conspicuously, conspicuousness, crying, egregious, eye-catching, featured, flagrant, glaring, gross, in evidence, indiscreet, large, marked, outstanding, prominent, rank, salient, spectacular, striking, unconcealed

Antonym: inconspicuous