haphazard
/ˈhæp.əˌzɑːrd/Definitions
1. adjective
done or made in a careless or random manner; lacking a clear plan or purpose.
“The construction team worked in a haphazard fashion, and the building was incomplete after a year.”
2. noun
a situation or arrangement that is done or made in a careless or random manner; a lack of order or planning.
“The city’s haphazard growth led to overcrowding and traffic congestion.”