amiss

not functioning properly

something is amiss

has gone completely haywire

in an imperfect or faulty way

The lobe was imperfectly developed

Miss Bennet would not play at all amiss if she practiced more"- Jane Austen

in an improper or mistaken or unfortunate manner

if you think him guilty you judge amiss

he spoke amiss

away from the correct or expected course

something has gone awry in our plans

something went badly amiss in the preparations