What part of speech is “long”

as a noun, 'long' refers to a long period of time.

It won't be for long.

I haven't seen him in a long.

It's been a long since we last met.

When 'long' is used as a noun, it's often in idiomatic expressions or set phrases.

As an adjective, 'long' describes the extent or duration of something in terms of length or time.

She has long hair.

It was a long journey.

I've had a long day at work.

'Long' can be used in comparative forms like 'longer' and superlative forms like 'longest.'

as a verb, 'long' means to have a strong desire or yearning for something.

I long for the days when we were together.

She longed to see her family again.

He longs for some peace and quiet.

'Long' as a verb is often followed by 'for' or 'to' + verb.

as an adverb, 'long' describes the duration or extent of an action.

How long have you been waiting?

She hasn't been here long.

I won't be gone long.

When used as an adverb, 'long' often answers the question 'how long?'