Hello

Could you please tell me the difference between particularly and in particular?

Thank you.

Particular is an adjective.

He had no particular preference for dinner. [modifies preference]

Particularly is an adverb

I don’t particularlly like squash.[modiifes like.

Particular can be a noun in the plural.

We discussed the particulars of the ceremony.

In partucular is an idiom meaning specifically.