melt (away) intosomething
phrasal verbwithmeltverbuk/melt/us/melt/
tolooksosimilarto somethingelseall around you, or to be so much apartof it, thatpeopledo notseeornoticeyou:
Thesecuritymen justmeltedinto thebackgrounduntil they wereneeded.
Indistinct & invisible
- blur
 - blurrily
 - blurry
 - fuzzily
 - fuzziness
 - fuzzy
 - gauzily
 - imperceptible
 - inconspicuous
 - indiscernible
 - indistinct
 - invisibly
 - melt
 - not see hide nor hair ofsomeoneidiom
 - smudged
 - super-subtle
 - unapparent
 - unclear
 - unfocused
 - vague