done in a careless way► careless · Investigators are still not sure whether the damage was intentional or due to careless work.· The building had been finished in a very careless way, with loose wires and unpainted ceilings.· Careless handling of pesticides causes dozens of accidents on farms every year.
► sloppy done in a careless and lazy way - use this about someone's work or the way someone writes or speaks: · The carpenter I hired did such a sloppy job that I finally had to fix the roof myself.· The company's failure was blamed on sloppy management.· How can you expect an 'A' in this class when you turn in an essay as sloppy as this?
► slapdash/slipshod done extremely carelessly and quickly, without paying any attention to the correct ways of working: · We complained to the airline that the in-flight service was hurried and slapdash.· The entire investigation had been conducted in an unsystematic, almost slipshod, manner.
► haphazard done without any clear plan or system: · According to the report, most Americans have a distinctly haphazard approach to saving for the future.
careless and done too quickly OPP painstaking: 
a very slapdash piece of work