思いっきり

おもいっきり

to one's heart's content; as much as one wants; as hard as one can; with all one's strength

JLPT N2 Common word Also written 思いっ切り

Meanings

Adverb
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
Noun
resolution; decisiveness; determination; resignation

思おもいっきりやりましょう。

Let's go the whole hog.
彼かれは思おもいっきり落おち込こんだ。

His heart sank to his boots.
早はやく外そとに出でて思おもいっきり遊あそびたい。

I want to hurry and go out, so I can let loose and have fun.
泣なきたいなら思おもいっきり泣なけばいいじゃん。

If you feel like crying, you should cry to your heart's content.
思おもいっきり泣ないたらちょっとすっきりした。

I feel a little better now after crying all I had.

More examples (2)

朝あさはまだ寒さむいだろうから、思おもいっきり冬ふゆの格好かっこうして行いくよ。

It's probably gonna be cold in the morning, so I will put on many layers before I leave.
「さっきの授業じゅぎょう、寝ねてたでしょ」「うん。我慢がまんできなくてね。先生せんせい気きづいてそうだった？」「それは、大丈夫だいじょうぶそうだったけど、思おもいっきり船ふね漕こいでるから、男おとこの子こたち笑わらってたよ」「うわっ。その方かたが嫌いやかも」

"I guess you just slept through our last class." "Yeah, I wasn't able to keep myself awake any longer. Do you think the teacher noticed?" "They didn't seem to notice, but you completely dozed off, so all the boys were laughing about it." "Yikes. That's probably even worse."