particularise vs elaborate

particularise is not an adjective while elaborate is an adjective.

Word	Noun	Adjective	Verb	Adverb
particularise	No	No	Yes	No
elaborate	No	Yes	Yes	No

As verbs, elaborate is a hypernym of particularise; that is, elaborate is a word with a broader meaning than particularise:

particularise: be specific about
elaborate: add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing

Other hypernyms of particularise include dilate, enlarge, expand, expatiate, exposit, expound, flesh out, lucubrate.

particularise (adjective)	elaborate (adjective)
	developed or executed with care and in minute detail
	marked by complexity and richness of detail

particularise (verb)	elaborate (verb)
be specific about	make more complex, intricate, or richer
	work out in detail
	add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
	produce from basic elements or sources; change into a more developed product