cold-shoulder vs dismiss

cold-shoulder and dismiss both are verbs.

Word	Noun	Adjective	Verb	Adverb
cold-shoulder	No	No	Yes	No
dismiss	No	No	Yes	No

As verbs, dismiss is a hypernym of cold-shoulder; that is, dismiss is a word with a broader meaning than cold-shoulder:

Other hypernyms of cold-shoulder include brush aside, brush off, discount, disregard, ignore, push aside.

cold-shoulder (verb)	dismiss (verb)
pay no attention to, disrespect	declare void
	bar from attention or consideration
	end one's encounter with somebody by causing or permitting the person to leave
	cease to consider; put out of judicial consideration
	terminate the employment of; discharge from an office or position
	stop associating with