deplorable vs lamentable

deplorable and lamentable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
deplorable	No	Yes	No	No
lamentable	No	Yes	No	No

As adjectives, deplorable and lamentable are synonyms defined as:

Other synonyms of deplorable include distressing, pitiful, sad, sorry.

deplorable (adjective)	lamentable (adjective)
bad; unfortunate	bad; unfortunate
of very poor quality or condition
bringing or deserving severe rebuke or censure