"haphazardly" in the adverb sense
1. randomly, indiscriminately, haphazardly, willy-nilly, arbitrarily, at random, every which way
in a random manner
"the houses were randomly scattered"
"bullets were fired into the crowd at random"
2. haphazard, haphazardly
without care in a slapdash manner
"the Prime Minister was wearing a grey suit and a white shirt with a soft collar, but his neck had become thinner and the collar stood away from it as if it had been bought haphazard"
Source: WordNet® (An amazing lexical database of English)
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