To fail to maintain (something); to suffer a loss.

खोना

English Usage: "He was afraid he would lose ground in the competition."

Hindi Usage: "वह डरता था कि वह प्रतिस्पर्धा में जमीन खो देगा।"

To become less successful or to decline in position.

स्थिति खोना

English Usage: "The company began to lose ground to its competitors."

Hindi Usage: "कंपनी अपनी प्रतिस्पर्धियों के मुकाबले स्थिति खोने लगी।"

A basis or reason for something; an area of knowledge.

आधार

English Usage: "Her experience gave her an advantage, but she still felt she might lose ground in the debate."

Hindi Usage: "उसका अनुभव उसे एक लाभ देता था, लेकिन फिर भी उसे ऐसा लगता था कि वह बहस में आधार खो देगी।"