yǎo

obscure

Senses

yǎo distant and obscure

(bound form) distant; deep; out of sight or hearing; quiet and secluded

yǎo vanishing

(bound form) having disappeared without a trace; used in expressions like 杳无音信 yǎo​wú​yīn​xìn to describe a complete lack of news or disappearance

References

see 杳/杳 杳无音信/杳無音信
variant 窈/窈 杳/杳
variant 窅/窅 杳/杳