I. verb
1.
Synonyms: vow , covenant, pledge, plight
Idioms: swear on a stack of Bibles, swear to God, swear up and down
2.
Synonyms: testify 2, depone, depose, ||mount
3.
to use profane, blasphemous, or obscene language
swore when the horse threw him
Synonyms: bedamn, curse, cuss, damn, execrate, imprecate
Related Word: blaspheme; rail, rant; abuse, revile, vilify, vituperate
Idioms: ||chew the dirty rag, curse and swear, fall a-cursing, ||let out religion, make the air blue, rip ( or rap) out an oath, swear like a sailor ( or trooper), use language
II. noun
Synonyms: swearword , curse, cuss, cussword, expletive, oath