Phrasal verbs are compound verbs that result from combining a verb with an adverb or a preposition. The resulting compound verb is idiomatic.
Meaning / Example:
1. to develop better muscle tone; to become less flabby.
> I need to do some exercises so I can firm up.
2. to become more stable or viable; to recover from or stop a decline.
> The economy will probably firm up soon.
Phrasal verbs are two or more words that together act as a completely new verb with a meaning separate from those of the original words.
A compilation of 50 phrasal verbs.