categorical

形容词 categorical:

1. relating to or included in a category or categories
   同义词：categoric
2. not modified or restricted by reservations
   同义词：categoric, flat, unconditional

1. He has gone wiggle-waggle and cannot be persuaded to categorical.
   他犹豫不决，无法劝他持明确的态度。

cat.e.gor.i.cal

adj.（形容词）
Being without exception or qualification; absolute.See Synonyms at explicit
绝对的：没有例外或限制的；绝对的参见 explicit

Of or relating to a category or categories.
分类的：属于或有关分类或种类的
According to or using categories:
按类别的：根据或运用类别的：
例句：
a categorical arrangement of specimens.
标本的分类排列

【引伸】
cat.egor.ically
adv.（副词）
cat.egor.icalness
n.（名词）