The word holiday is primarily a noun. It can also be used as a verb.
The word 'holiday' is a noun; a word for a special day of celebration or relaxation; a word for a thing.
The direct speech for "David said that he had been on holiday" is: "I have been on holiday," David said.
The word rather is an adverb. It specifies a choice or a preference. For example: I would rather be on holiday than at work.
"Holiday" is used mainly as a noun, but in some places it can also be used as a verb.As a noun: "There will be no school on Monday because it is a national holiday."As a verb (mostly in the UK): "We will holiday in the Bahamas."As an adjective: "I am in a holiday mood."
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
Holiday Inn is not part of the Starwoods Hotel chain.
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.