noun, adjectival noun or quasi-adjective

Usu. adverbially as 〜に.
  1. using all one's strength, using all one's might.

Variations

Pronunciation Kanji Kana Is Common
 
力任せ ちからまかせ
 
 
 
力まかせ ちからまかせ

Contained Kanji Breakdown

power, strength, strong
リョク ちから リキ (1st, N4)
responsibility, duty, term
まか.せる ニン とう (5th, N3)
human radical (no. 9)
9th calendar sign
みずのえ ジン ニン (Kentei Pre-1)
katakana no radical (no. 4)
ヘツ えい よう (Kentei 1)
soil, earth, ground
ド つち は (1st, N5)