The state or quality of being clean, free from dirt, impurities, or unwanted substances
Usafi wa mazingira ni muhimu kwa afya ya watu.
— Environmental cleanliness is important for people's health.
Usafi wa mikono unazuia maambukizi ya magonjwa.
— Hand cleanliness prevents disease transmission.
The state of being morally pure, free from sin or evil
Usafi wa moyo ni sifa muhimu kwa mtu mwema.
— Purity of heart is an important quality for a good person.
Usafi wa maisha unahitajika katika dini nyingi.
— Purity of life is required in many religions.