1. astringent, bitter, puckery, rough, harsh, tart

adjective (keiyoushi)

2. austere, elegant (and unobtrusive), refined, quiet (and simple), sober, sombre, subdued, tasteful (in a quiet way), understated

adjective (keiyoushi)

3. sour (look), glum, grim, sullen, sulky

adjective (keiyoushi)

4. stingy, tight-fisted

adjective (keiyoushi)