thrash about vs agitate

thrash about and agitate both are verbs.

Word	Noun	Adjective	Verb	Adverb
thrash about	No	No	Yes	No
agitate	No	No	Yes	No

As verbs, agitate is a hypernym of thrash about; that is, agitate is a word with a broader meaning than thrash about:

Other hypernyms of thrash about include shake.

thrash about (verb)	agitate (verb)
move or stir about violently	change the arrangement or position of
	cause to be agitated, excited, or roused
	move very slightly
	move or cause to move back and forth
	try to stir up public opinion
	exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for