obliterate vs eliminate

obliterate is an adjective but eliminate is not an adjective.

Word	Noun	Adjective	Verb	Adverb
obliterate	No	Yes	Yes	No
eliminate	No	No	Yes	No

As verbs, eliminate is a hypernym of obliterate; that is, eliminate is a word with a broader meaning than obliterate:

Other hypernyms of obliterate include do away with, extinguish, get rid of.

obliterate (adjective)	eliminate (adjective)
reduced to nothingness

obliterate (verb)	eliminate (verb)
remove completely from recognition or memory	eliminate from the body
make undecipherable or imperceptible by obscuring or concealing	kill in large numbers
mark for deletion, rub off, or erase	terminate, end, or take out
do away with completely, without leaving a trace	remove (an unknown variable) from two or more equations
	dismiss from consideration or a contest
	remove from a contest or race
	get rid of something