blend in

Related to blend in: blend into, commingles

blend (something) in

To mix or combine something smoothly or seamlessly with something else. Be sure to blend your makeup in so that your face isn't two different colors. OK, now blend the butter in with the eggs.
See also: blend

blend in(to) (something)

1. To combine one or more ingredients uniformly into another substance or a larger mixture. In this usage, a noun or pronoun can be used between "blend" and "in," and it is always used between "blend" and "into." Next, blend the butter in with the rest of the ingredients. Start blending the flour into the soup stock to help thicken it. Be sure to blend in your makeup so that your face isn't two different colors.
2. To merge seamlessly and successfully with some thing or a group of people. Do you think Sam will be able to blend into the group? He can be pretty standoffish. Don't wear anything too flashy—try to blend into the background.
See also: blend
Farlex Dictionary of Idioms.

blend in (to something)

to combine nicely with something; to mix well with something. The oil won't blend into the water very well. It simply won't blend in.
See also: blend
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • add in
  • all right
  • a/the feel of (something)
  • (I) wouldn't (do something) if I were you
  • a straw will show which way the wind blows
  • a bird in hand
  • a bird in the hand
  • a horse of another
  • a horse of another color
  • a horse of another colour
References in periodicals archive
About 250 are Border Patrol agents patrolling in or near the city, which is a favorite entry point for undocumented workers and, more recently, for drug smugglers--although INS national spokesman Duke Austin says El Paso "is not a big drug corridor." It's where day laborers crossing the low river from the other side try to avoid the scrutiny of the men in green vans and blend in with the people downtown.
'Let's see some papers': in El Paso, looking Latin is a crime