安あん定てい性せいMeaningsNoun1. stability; security; equilibriumKanji used安peace of mind定define性nature (of a person)Pitch accentあんていせいComposed of安あん定ていstability; steadiness; consistency; equilibrium; balance; composure; stableNoun性せいnature (of a person); sex; gender; sex (i.e. sexual attraction, activity, etc.); -ty; -ity; -ness; -cyNounExamples1ホイールに剛ごう性せいがあると、・・・の安あん定てい性せいは増ます。Rigid wheels give sufficient stability to a low-speed vehicle steered by outside forces.