[verb] utter obscenities or profanities; "The drunken men were cursing loudly in the street" Synonyms: curse, cuss, blaspheme, imprecate
[verb] to declare or affirm solemnly and formally as true; "Before God I swear I am innocent" Synonyms: affirm, verify, assert, avow, aver, swan
[verb] promise solemnly; take an oath
[verb] make a deposition; declare under oath Synonyms: depose, depone
[verb] have confidence or faith in; "We can trust in God"; "Rely on your friends"; "bank on your good education"; "I swear by my grandmother's recipes" Synonyms: trust, rely, bank