My Suggestions

mũkĩrĩ

adj.

  1. quiet, silent. Quiet. Characterized by silence or calmness; not talkative or noisy; peaceful in demeanor.

Example: Rĩu mũkĩrĩ o na ũtheri-rĩ, mũwĩhoke, nĩguo mũtuĩke ciana cia ũtheri. (While you have the light, believe in the light, so that you may become children of the light.” Eph 5:8.); Inyuĩ-rĩ, tondũ mũkĩrĩ ogĩ, nĩmũkiragĩrĩria andũ arĩa matarĩ ogĩ, mũtekũigua ũũru. (For you gladly put up with fools, since you are wise yourselves.)