send packing vs dismiss

send packing and dismiss both are verbs.

Word	Noun	Adjective	Verb	Adverb
send packing	No	No	Yes	No
dismiss	No	No	Yes	No

As verbs, send packing and dismiss are synonyms defined as:

Other synonyms of send packing include drop, send away.

As verbs, dismiss is a hypernym of send packing; that is, dismiss is a word with a broader meaning than send packing:

Other hypernyms of send packing include can, displace, fire, force out, give notice, give the axe, give the sack, sack, send away, terminate.

send packing (verb)	dismiss (verb)
stop associating with	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