1.adjectiveAustere, frugal, characterized by self-denial.
"I went on the retreat to the monastery, thinking I would be sleeping in a spartan cell, only to discover a simple but comfortable bedroom."
2.adjectiveResolute in the face of danger or adversity.
"The spartan legionaries vowed to fight to the death."
3.adjectiveLacking in decoration and luxury.
"After ten years as a fashion designer in the rough-and-tumble Garment District, Eloise left New York for the spartan but serene life of a farmer's wife."