"Overly" is not an acceptable usage.

This usage is sometimes considered erroneous, but usage commentators regard the monster sense of "Frankenstein" as well-established and an acceptable usage.

The question on the ballot: Is "an E-mail" acceptable usage?

Like others who consider this an acceptable digital-age usage, he points out that quill-and-ink terms like "a letter" do not convey what most E-mail is about.

But has horny crossed the line from slang to colloquialism, from mild vulgarity to acceptable informal usage?

But there are a number of quite acceptable usages of progressive "have" and "be":

But you have gone beyond the usages acceptable in diplomacy.

"It seems like an acceptable current usage to me."

What is considered a solecism in one register of a language might be acceptable usage in another.

A few of those accesses were acceptable usage.