un ‧ sci ‧ en ‧ tif ‧ ic /ˌʌnsaɪənˈtɪfɪk/ BrE AmE adjective
[ Word Family: noun : ↑ science , ↑ scientist ; adverb : ↑ scientifically ; adjective : ↑ scientific ≠ ↑ unscientific ]
not based on facts or the usual scientific methods of doing something:
unscientific ideas