meal ticket vs living

meal ticket and living both are nouns.

Word	Noun	Adjective	Verb	Adverb
meal ticket	Yes	No	No	No
living	Yes	Yes	No	No

As nouns, living is a hypernym of meal ticket; that is, living is a word with a broader meaning than meal ticket:

Other hypernyms of meal ticket include bread and butter, keep, livelihood, support, sustenance.

meal ticket (noun)	living (noun)
coupon redeemable at a restaurant and entitling the holder to a meal	the experience of being alive; the course of human events and activities
a source of income or livelihood	people who are still living
	the financial means whereby one lives
	the condition of living or the state of being alive

meal ticket (adjective)	living (adjective)
	pertaining to living persons
	(informal) absolute
	still in existence
	(used of minerals or stone) in its natural state and place; not mined or quarried
	true to life; lifelike
	still in active use