rigorous Antonyms

Not strict perfunctoriness negligent mild loose limited lethargic lenient lazy lax languid lackadaisical irresolute irregular slack slipslop sluggish tensionless imprecise easygoing work-shy ballpark ataractic wrong wilting whimsical untrue unsound tolerant tiny invalid inexact indolent erroneous easy dispassionate disinterested defective conscienceless circumscribed chambering casual careless capricious arbitrary apathetic fallacious false faulty indifferent