1Hostile confrontation; opposition.
2The action or an act of affronting or insulting someone. Also: the feeling resulting from this; indignation at having been insulted or offended.
Early 17th century; earliest use found in John Speed (d. 1629), historian and cartographer. From affront + -ment, in sense 1 after French affrontement face-to-face encounter (between two individuals), encounter (between two armies) for battle or combat.