robustness Antonyms

moodiness tenuity unhealth unwellness valetudinarianism virus weakness powerlessness Achilles tendon ill health syndrome symptomatology morbidness pallidness paranoia pathology pneumonia pox sepsis sickness symptom flu unsoundness anemia endemic disease aches play pool emotional roller coaster mood changes mood swings rollercoaster of emotions aches and pains fragile nature emotional lability occupational disease aplastic anemia lay-up pressure point septicemia bluetongue weak point contagious disease Achilles heel mood swing absence of difficulty microbe ache deficiency delicacy diagnostics