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1. Hit with something flat, like a paddle or the open hand
   - slap
    
2. Deliver a hard blow to
   "The teacher smacked the student who had misbehaved";
   - thwack
    
3. Have an element suggestive (of something)
   "his speeches smacked of racism";
   - reek, smell
    
4. Have a distinctive or characteristic taste
   "This smacks of nutmeg";
   - taste
    
5. Kiss lightly
   - peck [informal]
    
6. Press (the lips) together and open (the lips) noisily, as in eating

1. A blow from a flat object (as an open hand)
   - slap
    
2. An enthusiastic kiss
    
3. The act of smacking something; a blow delivered with an open hand
   - slap
    
4. The taste experience when a savoury condiment is taken into the mouth
   - relish, flavor [US], flavour [Brit, Cdn], sapidity, savor [US], savour [Brit, Cdn], nip, tang
    
5. A sailing ship (usually rigged like a sloop or cutter) used in fishing and sailing along the coast
    
6. [slang] A street name for heroin
   - big H [slang], hell dust [slang], nose drops [slang], thunder [slang], skag [slang], scag [slang]

1. Directly
   "he ran smack into the pole";
   - bang, slap, slapdash, bolt

Derived forms: smacked, smacking, smacks

Type of: blow, bump, buss [N. Amer, informal], diacetylmorphine, diamorphine, emit, evoke, gustatory perception, gustatory sensation, heroin, hit, junk [informal], kiss, let loose, let out, osculate, osculation, paint a picture, sailing ship, sailing vessel, savor [US], savour [Brit, Cdn], snog [Brit, informal], strike, suggest, taste, taste perception, taste sensation, utter

Encyclopedia: Smack