overly
adv. degree C1 Advanced Oxford US //ˈoʊvɝɫi// UK //ˈəʊvəlˌi// over·ly
adv. too much or more than is necessary. You use it before an adjective to show that a quality is too strong.
adv. to an excessive degree; more than is appropriate or necessary.
The instructions are overly complicated for a beginner.
The manager was overly critical of the new employee, which made the team feel nervous about making mistakes.
While the initial proposal was sound, the final design became overly ornate, losing the minimalist aesthetic that the client had originally requested.
Usage
Typically functions as a modifier for adjectives or other adverbs; rarely used to modify verbs directly.
Pitfall
He overly works.He works too much.Overly is used to modify adjectives (overly busy), not to modify verbs as a standalone adverb of manner.