lose ground to

lose ground to somebody/something

to fail to maintain a share of something compared to others Good Mexican restaurants are losing ground to less expensive, more informal places that have opened all over the city.
Opposite of: gain ground on somebody/something
Etymology: based on the military meaning of lose ground (to move back and allow an enemy to get control of an area)
See also: ground, lose
References in periodicals archive ?
Still one of the finest racers on the PS3, it's hard not to feel Gran Turismo is beginning to lose ground to the Forza
As analog electronics begin to lose ground to digital devices in the consumer market, the possibility of connecting these devices to home networks and to wide area networks outside the home brings some exciting market prospects to service providers, CE manufacturers, and CE retailers.
The Internet remains a global phenomena, so countries providing safe haven for incumbents will lose ground to countries embracing the Internet for the benefit of consumers.
Long distance private lines, which traditionally provided the best solution for secure communications over wide areas, will increasingly lose ground to virtual private networks (VPNs) while local private lines will experience a growth surge as carriers bundle several different types of services onto a single private line.