He played carelessly and lost a pawn on move 21.
Location: where the action occurs (e.g., Johnny and Linda played carelessly in the park.
The 'markets' are people and they are playing carelessly with our livelihoods to enrich themselves.
The horse-dealer played carelessly, his mind on other things.
Taxpayers ought to blame him and the Legislature for playing carelessly with their money.
The Giants often played erratically and carelessly.
But if West carelessly plays his heart seven, East is left in a bad temper with a heart that cannot be cashed.
The boy sat quietly in the gloom of the kitchen, carelessly playing with some unrecognizable object.
He saw Knicks moving lethargically and playing carelessly, as if getting pasted by the dreaded Heat meant nothing to them.
I wouldn't line up all the staff of the school and call in a firing squad because one boy played carelessly and fell.