swore

affirm assert depose testify vow

attest avow covenant maintain plight promise state trust vouch warrant

cross one's heart depend on give one's word give witness have confidence in make an affidavit pledge oneself rely on say so state under oath swear by swear to God swear up and down take an oath

deny

break condemn renounce

curse cuss

bedamn blaspheme execrate flame imprecate

be foul-mouthed take name in vain talk dirty use bad language utter profanity