* manner: How something is done.
* degree: To what extent something is done.
Here are some examples:
Adjective | Adverb | Meaning
---|---|---|
slow | slowly | in a slow manner
quick | quickly | in a quick manner
happy | happily | with happiness
loud | loudly | in a loud manner
terrible | terribly | to a terrible degree
Note: Not all words ending in "-ly" are adverbs. Some are simply adjectives, like "friendly" or "lovely".
In addition to forming adverbs, "-ly" can sometimes be used to create new adjectives, such as "earthly" or "timely".