na-adjective, noun which may take the genitive case particle 'no'
perfunctory; makeshift; slapdash; half-hearted
Describes doing something in a superficial, careless, or merely going-through-the-motions way, without proper effort or sincerity. Often used for work, responses, or arrangements that are done just to get by.
彼のおざなりな返事にがっかりした。
I was disappointed by his perfunctory reply.
おざなりな計画では成功しない。
A slapdash plan won't succeed.
会議でおざなりな説明しかしなかった。
He only gave a half-hearted explanation at the meeting.