1. to paw (at) the ground

Godan verb with 'ku' ending intransitive verb word usually written using kana alone

2. to struggle (using one's arms and legs), to flounder, to flail about

Godan verb with 'ku' ending intransitive verb word usually written using kana alone

3. to struggle (to escape an adverse situation), to strive, to make every effort

intransitive verb Godan verb with 'ku' ending word usually written using kana alone