beat up vs lambaste

beat up and lambaste both are verbs.

Word	Noun	Adjective	Verb	Adverb
beat up	No	No	Yes	No
lambaste	No	No	Yes	No

As verbs, lambaste is a hyponym of beat up; that is, lambaste is a word with a more specific, narrower meaning than beat up:

beat up: give a beating to; subject to a beating, either as a punishment or as an act of aggression
lambaste: beat with a cane

beat up (verb)	lambaste (verb)
gather	censure severely or angrily
give a beating to; subject to a beating, either as a punishment or as an act of aggression	beat with a cane