briskness Antonyms

aggravate frailness frailty gap hesitation hindrance idleness laziness lethargy procrastination prostration weariness sluggishness frazzle burnout dithering feebleness fatigue anguish backwardness collapse dallying dawdling debilitation debility delay delicacy detainment disablement enervation enfeeblement exhaustion faintness food coma