simplicity; plainness; unpretentiousness
Describes a person, lifestyle, or thing that is simple, unadorned, and without ostentation. Often used in the phrase 質実剛健 (shitsujitsu gōken: 'simple and sturdy').
His simple and unpretentious character is trusted by many people.
This furniture is plain and has no unnecessary decoration.
unaffected and sincere, with fortitude and vigor
Compound of 質 (shitsu, 'substance, quality') and 実 (jitsu, 'truth, reality'), conveying the idea of being genuine and unadorned.