Unmodest vs. Immodest — What's the Difference?

Not modest.

Not conforming to traditional sexual mores; indecent

Boastful or arrogant

Immoderate, as in size or quantity

Pretentious or ostentatious

Without customary restraint or modesty of expression; shameless.

Not limited to due bounds; immoderate.

Not modest; wanting in the reserve or restraint which decorum and decency require; indecent; indelicate; obscene; lewd; as, immodest persons, behavior, words, pictures, etc.

Having or showing an exaggerated opinion of your importance, ability, etc;

Offending against sexual mores in conduct or appearance