amiss, awry, haywire, wrong - not functioning properly; "something is amiss"; "has gone completely haywire"; "something is wrong with the engine" Antonym:functioning (indirect, via malfunctioning)
Adverbialamiss has 3 senses
awry, amiss - away from the correct or expected course; "something has gone awry in our plans"; "something went badly amiss in the preparations"
imperfectly, amiss - 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