Adjective

(en adjective)

Having the power or quality of deciding a question or controversy; putting an end to contest or controversy; final; conclusive.

''A decisive battle is fatal for one side's war chances

* {{quote-news

, year=2011 , date=November 3 , author=Chris Bevan , title=Rubin Kazan 1 - 0 Tottenham , work=BBC Sport citation , page= , passage=In truth, Tottenham never really looked like taking all three points and this defeat means they face a battle to reach the knockout stages -with their next home game against PAOK Salonika on 30 November likely to prove decisive .}}

Marked by promptness and decision.

A noble instance of this attribute of the decisive character. -J. Foster.

Adjective

(en-adj)

Full of danger.

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*:“[…] it is not fair of you to bring against mankind double weapons ! Dangerous enough you are as woman alone, without bringing to your aid those gifts of mind suited to problems which men have been accustomed to arrogate to themselves.”

Causing danger; ready to do harm or injury.

*(John Milton) (1608-1674)

*:If they incline to think you dangerous / To less than gods

In a condition of danger, as from illness; threatened with death.

Forby. Bartlett.

(lb) Hard to suit; difficult to please.

*(Geoffrey Chaucer) (c.1343-1400)

*:My wages ben full strait, and eke full small; / My lord to me is hard and dangerous .

(lb) Reserved; not affable.

*(Geoffrey Chaucer) (c.1343-1400)

*:Of his speech dangerous