1.
casual, nonchalant, effortless
Doing something without fuss, elaboration, or special care. Can describe a relaxed, unstudied manner that appears natural, or a lack of proper attention depending on context.
Usage
Most commonly used adverbially as 無造作に, less often as a na-adjective (無造作な). The word can carry either a positive nuance (effortless, natural) or negative nuance (careless, sloppy) depending on context. In fashion and hairstyling, 無造作 describes a deliberately casual, unstudied look.