on one's feet prepositional phrase3 •While standing up or walking, running, etc.He's very quick on his feet.She's so light on her feet that we couldn't hear her coming. •Able to stand; hence, healthy, well, especially after some previous illness.Welcome back! It's good to see you back on your feet. •In a satisfactory (nonphysical) condition; happy financially, emotionally, etc.The organization provides training and assistance to help the unemployed get back on their feet.It took some time for the lady to get back on her feet after the death of her husband.