HE`ARTY, a. Having the heart engaged in any thing; sincere; warm; zealous; as, to be hearty in support of government.1. Proceeding from the heart; sincere; warm; as a hearty welcome.2. Being full of health; sound; strong; healthy; as a hearty man.3. Strong; durable; as hearty timber. [Not used in America.]4. Having a keen appetite; eating much; as a hearty eater.5. Strong; nourishing; as hearty food.