1. 隐匿：secretively 稳秘地 | secretiveness 隐匿 | secretly 秘密地

2. 隐藏的：secretively /秘密地/暗中地/ | secretiveness /隐藏的/ | secretly /暗暗/暗地里/暗自/

3. 隐匿, 分泌：eulogy 赞词, 颂词, 歌功颂德的话 | secretiveness 隐匿, 分泌 | counsel 讨论, 商议, 辩护律师

noun

1. the trait of keeping things secret

Synonym: secrecysilence

2. characterized by a lack of openness (especially about one's actions or purposes)

Synonym: closeness