Gt1 
abbreviation
Great: Gt Britain
GT2
adjective
Denoting a high-performance car: GT cars [postpositive]: the Celica GT
noun
A high-performance car: the anti-roll bar of the GT
Origin
1960s: abbreviation of Italian gran turismo.
- hard labour
- hard lander
- hard landing
- hard launch
- hard lead
- hard line
- hard line money
- hardliner
- hard-lived
- hard-living
- hard luck (or lines)
- hard-luck story
- hardly
- hardly any
- hard lyers
- hardly ever
- hard-lying money
- hardman
- hard maple
- hard measure
- hard metal
- hard-mouthed
- hard-nailed
- hard-necked
- hardness