Definitions
1.AdverbTo an excessive degree."Parents can be overly protective of their children."
2.AdverbTo a high degree; very."I'm not overly enthusiastic about meeting him."
3.AdverbSuperficially.
4.AdverbCarelessly, without due attention.
5.AdverbWith a sense of superiority, haughtily.
6.AdjectiveSuperficial; not thorough; careless, negligent, inattentive.
7.AdjectiveHaving a sense of superiority, haughty.
8.AdjectiveExcessive; too great.