automatic

Synonyms: automated electric electronic mechanical mechanized motorized robotic self-moving self-regulating self-starting

Antonyms: by hand manual

Synonyms: autogenetic habitual impulsive instinctive instinctual intuitive involuntary knee-jerk mechanical natural perfunctory reflex routine spontaneous unconscious unforced unintentional unmeditated unthinking unwilled

Antonyms: thought-out

Synonyms: assured certain inescapable inevitable necessary routine unavoidable

Antonyms: stilted unnatural