The Britannica Dictionary
mobile search
Home
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
×
Britannica Homepage
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
The Britannica Dictionary
definitive
1 ENTRIES FOUND:
definitive
(adjective)
definitive
/dɪ
ˈ
fɪnətɪv/
adjective
definitive
/dɪ
ˈ
fɪnətɪv/
adjective
Britannica Dictionary definition of DEFINITIVE
[
more definitive; most definitive
]
1
:
not able to be argued about or changed
:
final and settled
We need a
definitive
answer to this question.
The court has issued a
definitive
ruling.
[+] more examples
[-] hide examples
[+] Example sentences
[-] Hide examples
2
:
complete, accurate, and considered to be the best of its kind
a
definitive
biography
a
definitive
collection of the band's albums
[+] more examples
[-] hide examples
[+] Example sentences
[-] Hide examples
— definitively
adverb
a virus
definitively
linked to some stomach diseases
[+] more examples
[-] hide examples
[+] Example sentences
[-] Hide examples
ASK THE EDITOR
What are the plural forms of
check-in
,
passerby
, and
spoonful
?
See the answer »
QUIZZES
Vocabulary Quiz
Test your word power
Take the Quiz »
Name That Thing
Take our visual quiz
Test Your Knowledge »
WORD OF THE DAY
ringer
:
someone who looks very much like another person
Learn More »