swear

Meanings

• utter obscenities or profanities
• to declare or affirm solemnly and formally as true
  • "Before God I swear I am innocent"
• promise solemnly; take an oath
• make a deposition; declare under oath
• have confidence or faith in
  • "I swear by my grandmother's recipes"

Synonyms

affirm, assert, aver, avow, bank, blaspheme, curse, cuss, depone, depose, imprecate, rely, swan, trust, verify