* Noun: When "haste" refers to the state of being hurried or rushed.
* Example: "The thief made a hasty escape, but the police were in hot pursuit."
* Verb: When "haste" means to hurry or rush. This is an archaic usage, less common in modern English.
* Example: "Haste thee, my friend, for time is short."
The context of the sentence will determine which part of speech is intended.