definition of
swear

[1] #1 swear v. [curse, cuss, blaspheme, imprecate] utter obscenities or profanities; "The drunken men were cursing loudly in the street". wn

[2] #2 swear v. [affirm, verify, assert, avow, aver, swan] to declare or affirm solemnly and formally as true; "Before God I swear I am innocent". wn

[3] #3 swear v. promise solemnly; take an oath. wn

[4] #4 swear v. [depose, depone] make a deposition; declare under oath. wn

[5] #5 swear v. [trust, rely, bank] 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". wn