Careless

Sloppy

Casual

Easygoing

Relaxed

Lax

Messy

Slipshod

1 Antonym: Careless

She hastily scribbled down her notes, her careless handwriting barely legible.

The painter's careless strokes left splatters of paint outside the lines, giving the artwork an abstract charm.

His careless driving resulted in a dent on the bumper, a testament to his lack of attention on the road.

Despite her best intentions, her careless mistake in the kitchen turned the dinner into a culinary disaster.

3 Antonym: Casual

Taking a casual approach to his studies, he often skimmed through textbooks, resulting in poor exam grades.

She adopted a casual attitude towards her appearance, opting for jeans and a t-shirt even at formal events.

The chef's casual approach to measuring ingredients led to an uneven and bland-tasting dish.

With a casual flick of the wrist, he tossed the ball, but his lack of precision caused it to veer off course.

4 Antonym: Easygoing

Her easygoing nature toward housekeeping meant the dishes often piled up in the sink and laundry remained unfolded for days.

Being easygoing about deadlines, he often submitted his work at the last minute, causing stress for his colleagues.

The manager's easygoing management style resulted in a lack of accountability among the team members.

Despite his easygoing demeanor, his lack of attention to detail often led to overlooked errors in his work.