noun
Literary or formal term for shyness; not used in casual conversation. Modern Japanese more commonly uses 恥ずかしがり屋 or 内気.
彼の含羞は、初対面の人には特に強く現れる。
His shyness shows especially strongly with people he meets for the first time.
含羞の念にかられて、彼女はうつむいた。
Overcome by a feeling of bashfulness, she looked down.