WordReference Random House Unabridged Dictionary of American English © 2017
Biologyany of the specialized fields or disciplines, as psychology, sociology, anthropology, or political science, that interpret human behavior, institutions, society, etc., on the basis of scientific investigations for which it may be difficult to establish strictly measurable criteria. Cf. hard science.
Collins Concise English Dictionary © HarperCollins Publishers::
soft science n
- a science, such as sociology or anthropology, that deals with humans as its principle subject matter, and is therefore not generally considered to be based on rigorous experimentation
'soft science' also found in these entries: