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

(er)

Capable of producing great physical force.

Capable of withstanding great physical force.

fast moving water, wind, etc, which has a lot of power.

Determined; unyielding.

* , chapter=10

, title= The Mirror and the Lamp , passage=It was a joy to snatch some brief respite, and find himself in the rectory drawing–room. Listening here was as pleasant as talking; just to watch was pleasant. The young priests who lived here wore cassocks and birettas; their faces were fine and mild, yet really strong , like the rector's face; and in their intercourse with him and his wife they seemed to be brothers.}}

Highly stimulating to the senses.

Having an offensive or intense odor or flavor.

Having a high concentration of an essential or active ingredient.

(specifically) Having a high alcoholic content.

(grammar) Inflecting in a different manner than the one called weak, such as Germanic verbs which change vowels.

(military) Not easily subdued or taken.

(slang, US) Impressive, good.

Having a specified number of people or units.

(of a disease or symptom) (l) (very bad or intense)

* 2005 , Andrew Gaeddert, Healing Immune Disorders: Natural Defense-Building Solutions , North Atlantic Books, page 221:

Physicians may diagnosis influenza by a throat culture or blood test, which may be important if you have a particularly strong flu, if your doctor suspects pneumonia or a bacterial infection.

(mathematics, logic) Having a wide range of logical consequences; widely applicable. (Often contrasted with a statement which it implies.)