dismiss vs brush off

dismiss and brush off both are verbs.

Word	Noun	Adjective	Verb	Adverb
dismiss	No	No	Yes	No
brush off	No	No	Yes	No

As verbs, dismiss and brush off are synonyms defined as:

Other synonyms of dismiss include brush aside, discount, disregard, ignore, push aside.

dismiss (verb)	brush off (verb)
declare void	bar from attention or consideration
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