1. Enter by walking
   "She walks in at all hours, as if she lived here"

1. Large enough to enter and stand in
   "The apartment has a walk-in closet"; "They installed a walk-in freezer in the restaurant"; "a deep walk-in refrigerator"; "walk-in closets"
    
2. Available without appointment
   "The clinic offers walk-in service"

1. Person who walks in without having an appointment
   "the emergency room was overrun with walk-ins"
    
2. A small room large enough to admit entrance
   "The apartment had a spacious walk-in closet"
    
3. An operative who initiates their own defection (usually to a hostile country) for political asylum
   "The intelligence agency was surprised by the walk-in who offered valuable information"
    
4. An assured victory (especially in an election)
   "The incumbent's re-election was a walk-in";
   - waltz

Derived forms: walking in, walked in, walks in, walk-ins

See also: deep

Type of: actor, come in, defector, deserter, doer, enter, get in, get into, go in, go into, intelligence agent, intelligence officer, move into, operative, room, secret agent, spook [informal], spy, triumph, victory, worker

Encyclopedia: Walk in