The term 'be sparing' can be defined as using or giving out only what is necessary. This term can be represented by the crossword solutions of 'SCRIMP' (6 letters), 'STINT' (5 letters) and 'SKIMP' (5 letters). SCRIMP means to use or spend sparingly, while STINT means to limit or restrict something, and SKIMP means to provide or use less than what is needed. All three words suggest that one should be frugal and not waste resources.