Definition:
as a noun, 'clean' is less commonly used but can refer to an act of cleaning.
Examples:
The car is due for a clean.
I gave the kitchen a thorough clean this morning.
After a good clean, the old lamp looked brand new.
Tips:
the noun form of 'clean' is less common than its other forms and might sound more natural in British English than in American English.
Definition:
as an adjective, 'clean' describes something that is free from dirt, marks, or impurities. It can also describe something that is morally pure or free from wrongdoing.
Examples:
She wore a clean white dress to the party.
His record is clean, with no criminal history.
After the rain, the air felt clean and refreshing.
Tips:
'clean' can also describe a break or cut that is smooth and even, as in a 'clean break.' It can also refer to something done fairly, as in a 'clean fight.'
Definition:
as a verb, 'clean' means to make something free from dirt, marks, or impurities.
Examples:
Please clean your room before going out.
I need to clean the dishes after dinner.
She spent the afternoon cleaning the garage.
Tips:
'clean up' is a phrasal verb that means to tidy or make neat. 'clean out' can mean to empty a space of its contents or to take all of someone's money or possessions.
Definition:
as an adverb, 'clean' is used to emphasize the completeness of an action or situation.
Examples:
The axe cut clean through the wood.
He missed the target clean.
The ball went clean over the fence.
Tips:
the adverbial form of 'clean' is less common than its adjective or verb forms but is still recognized in specific contexts.