{adv. phr.} 1. Standing or walking; not sitting or lying down; up. * /Before the teacher finished asking the question, George was on his feet ready to answer it./ * /In a busy gasoline station, the attendant is on his feet all day./ Compare: TO ONE'S FEET. Contrast: OFF ONE'S FEET. 2. Recovering; getting better from sickness or trouble. * /Jack is back on his feet after a long illness./ * /Susan was on her feet soon after the operation./ * /The bank loaned the store money to get it back on its feet after the fire./ 3. See: LAND ON ONE'S FEET, STAND ON ONE'S OWN FEET, THINK ON ONE'S FEET.
ON ONE'S FEET
Meaning of ON ONE'S FEET in English
Slang English vocab. Английский сленговый словарь. 2012