in an unnatural way(r)

Synonyms: unnaturally

Examples: his other arm lay across his chest, unnaturally, as if placed there deliberately, for a purpose

Antonyms: naturally

not according to nature; not by natural means(r)

Synonyms: artificially by artificial means unnaturally

Examples: artificially induced conditions

Antonyms: naturally

in a manner at variance with what is natural or normal(r)

Synonyms: unnaturally

Examples: The early Church not unnaturally adopted the position that failure to see the messianic character of his work was really caused by the people's own blindness

Antonyms: course naturally of course