形容詞 categorical:

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

1. He has gone wiggle-waggle and cannot be persuaded to categorical.
   他猶豫不決，無法勸他持明確的態(tài)度。

cat.e.gor.i.cal

adj.（形容詞）
Being without exception or qualification; absolute.See Synonyms at explicit
絕對的：沒有例外或限制的；絕對的參見 explicit

Of or relating to a category or categories.
分類的：屬于或有關分類或種類的
According to or using categories:
按類別的：根據或運用類別的：
例句：
a categorical arrangement of specimens.
標本的分類排列

【引伸】
cat.egor.ically
adv.（副詞）
cat.egor.icalness
n.（名詞）