lean
adjectiveNot fleshy or fat; thin.
adjectiveContaining little fat or less fat relative to a standard.
adjectiveNot productive or prosperous; meager.
adjectiveContaining little excess or waste; spare.
adjectiveThrifty in management, especially by employing just enough people to accomplish a task or do business.
adjectiveLow in mineral contents.
adjectiveLacking in combustible material.