Meaning of EMPIRICAL in English
adj pertaining to, or founded upon, experiment or experience; depending upon the observation of phenomena; versed in experiments.
2. empirical ·adj depending upon experience or observation alone, without due regard to science and theory;
said especially of medical practice, remedies, ·etc.; wanting in science and deep insight; as, empiric skill, remedies.
Webster English vocab. Английский словарь Webster. 2012