形容詞 institutional:

1. relating to or constituting or involving an institution
2. organized as or forming an institution

in.sti.tu.tion.al

adj.（形容詞）
Of or relating to an institution or institutions.
公共機(jī)構(gòu)的或與公共機(jī)構(gòu)有關(guān)的
Organized as or forming an institution:
做為機(jī)構(gòu)組建的，組成機(jī)構(gòu)的：
例句：
institutional religion.
組成機(jī)構(gòu)的宗教

Characteristic or suggestive of an institution, especially in being uniform, dull, or unimaginative:
單調(diào)為主的：為機(jī)構(gòu)特有或暗含的，特別指統(tǒng)一，枯燥，缺乏想象力的：
例句：
institutional furniture; a pale institutional green.
單調(diào)的家具；單調(diào)的淡綠色

Of or relating to the principles or institutes of a subject such as law.
基本原理的：某一學(xué)科，如法律的原理或規(guī)則的，或與之相關(guān)的

【引伸】
in.stitu.tionally
adv.（副詞）