What is the opposite word of manually​

Something that's done manually is done by hand, rather than by machine. ... The opposite of this is when something's done automatically, by machine or some automated system.

Explanation:

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Something that's done manually is done by hand, rather than by machine. The opposite of this is when something's done automatically, by machine or some automated system.

Explanation:

self-acting, semiautomatic, self-activating, machine-driven, self-moving, automated, machine-controlled, self-locking, self-regulating, autoloading, white-collar, self-winding, smart, self-loading, automatic.

I'm pretty sure those are all the antonyms and synonyms of the word.

b. failure at least that one seems the most negative out of all of the answers provided pls correct me if i'm wrong. : ))