lax

Synonyms: any way asleep on job behindhand broad careless casual delinquent derelict devil-may-care disregardful easygoing flaccid forgetful general imprecise inaccurate indefinite indifferent inexact lenient neglectful negligent nonspecific oblivious overindulgent paying no mind regardless shapeless slipshod sloppy soft unmindful vague yielding

Antonyms: hard rigid strict tight