したたか
し
た
た
か
Meanings
1
tough; tenacious; stubborn; determined
usually written using kana alone
Describes a person or attitude that is resilient, unyielding, or shrewdly persistent. Often carries a nuance of being hard to beat or not easily swayed.
He is a tough negotiator.
That player is tenacious and won't lose easily.
2
severely; heavily; hard; a great deal
usually written using kana alone
Adverbial use meaning to do something intensely, heavily, or to a great degree. Often used with verbs like 飲む (drink) or やる (do).
I drank heavily last night.
He seems to have been beaten badly.