unscientific
🇺🇸
/ˌʌnˌsaɪənˈtɪfɪk/
🇬🇧
/ˌʌnˌsaɪənˈtɪfɪk/
not based on science or facts; done without careful thought or research
Making decisions based on rumors is unscientific and can lead to mistakes.