1. A no-nonsense attitude in business or politics
   "they play hardball in the Senate" 
2. Baseball as distinguished from softball

Derived forms: hardballs

Type of: attitude, baseball, baseball game, mental attitude

Antonym: softball

Encyclopedia: Hardball

• external respiration
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• external-combustion engine
• externalisation
• externalise
• externalism
• externality
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• externally
• exteroception
• exteroceptive
• exteroceptor
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• extinct
• extinction
• extinction angle
• extinguish
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• extinguisher
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• extirpable
• extirpate