1. Guided by practical experience and observation rather than theory
   "a hard-nosed labour leader"
   - hardheaded, practical, pragmatic

See also: realistic

• aculeated
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• acumen
• acuminate
• acuminate leaf
• acupressure
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• acute
• acute accent
• acute angle
• acute anterior poliomyelitis
• acute brain disorder
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• acute inclusion body encephalitis
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• acute lymphocytic leukemia
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• acute myeloid leukemia
• acute organic brain syndrome