slapdash

Definitions

Done or made in a hurried and careless way.

Characterized by a lack of planning or attention to detail.

Examples

The contractor's slapdash work resulted in a leaky roof only a month after the repairs were finished.

She regretted her slapdash approach to the project when she realized how many errors she had made.

Synonyms

careless haphazard slipshod sloppy cursory neglectful unmethodical

Antonyms

meticulous thorough painstaking precise systematic careful diligent