ひ
 
た
 
す
 
ら

adverb, adjectival noun or quasi-adjective

Usually written with kana alone.
  1. intently, single-mindedly, devotedly, solely, earnestly, with all one's heart.

Variations

Pronunciation Kanji Kana Is Common
 
ひ
 
た
 
す
 
ら
ひたすら ✔
ひたすら
只管
只管 ひたすら
ひたすら
一向
一向 ひたすら
ひたすら
頓
頓 ひたすら