Adverb (fukushi)
to one's heart's content; as much as one wants; as hard as one can; with all one's strength; to the best of one's ability; to the utmost; with determination; hard; heavily
see 思いっきり
私は思いきり働きたい。I will work to the best of my ability. Noun
resolution; decisiveness; determination; resignation
Also written 思いきり【おもいきり】