You don't have to end all your adverbs in -ly to talk right.
They started as same word, but their meanings have drifted apart over time.
Often used, often confused. Here's some guidance and insight.
'Poets laureate'? 'Court-martials'? The curious history of postpositive adjectives in English.
An old-fashioned rule we can no longer put up with.
Figuring it out at once
What's with his feathered cap?