fitness<br />Synonyms of fitness. health, healthiness, heartiness, robustness, sap, soundness, verdure, wellness, wholeness, wholesomeness.<br />Words Related to fitness. fettle, shape. cleanliness, hygiene. ...<br />Near Antonyms of fitness. debility, decrepitude, feebleness, frailness, infirmity, lameness, sickliness, weakness.<br />1<br />the condition of being sound in body<br />a gymnastics program promoting fitness and agility in school-aged children<br />Synonyms of fitness<br />health, healthiness, heartiness, robustness, sap, soundness, verdure, wellness, wholeness, wholesomeness<br />Words Related to fitness<br />fettle, shape<br />cleanliness, hygiene<br />hardiness, lustiness, robustiousness, ruggedness, stamina, strength, toughness, vigor, vigorousness, vitality<br />bloom, flush, flushness<br />activeness, agility, liveliness, spryness<br />weal, welfare, well-being<br />Near Antonyms of fitness<br />debility, decrepitude, feebleness, frailness, infirmity, lameness, sickliness, weakness<br />ailment, condition, disease, disorder, malady, trouble<br />Antonyms of fitness<br />illness, sickness, unhealthiness, unsoundness