gave quarter (verb) pity: feel sorry for; spare
Sinonime: active,
attentive,
busy,
constant, diligent, eager beaver,
exacting, grinding,
indefatigable, industrious,
laborious, persevering, plugging,
scrupulous, sedulous,
steady,
studious, unflagging, untiring,
whiz,
zealousAntonime: lazy, neglectful,
negligent