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1. Profane or obscene expression usually of surprise or anger
   - curse, curse word, expletive, oath, swearword, cuss, cussword [N. Amer]
    
2. A commitment to tell the truth (especially in a court of law); to lie under oath is to become subject to prosecution for perjury
   - oath
    
3. The use of language considered offensive or taboo especially in movies and films
   - strong language

1. Utter obscenities or profanities
   - curse, cuss, blaspheme, imprecate, eff and blind [Brit], eff [Brit]
    
2. To declare or affirm solemnly and formally as true
   "Before God I swear I am innocent"
   - affirm, verify, assert, avow, aver, swan
    
3. Promise solemnly; take an oath
    
4. Make a deposition; declare under oath
   - depose, depone
    
5. Have confidence or faith in
   "I swear by my grandmother's recipes"
   - trust, rely, bank

Derived forms: swearings

See also: swear off, swearer

Type of: believe, commitment, declare, dedication, express, give tongue to, profanity, utter, verbalise [Brit], verbalize, vow

Encyclopedia: Swear