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
spiky
1 ENTRIES FOUND:
spiky
(adjective)
spiky
/
ˈ
spaɪki/
adjective
spikier
;
spikiest
spiky
/
ˈ
spaɪki/
adjective
spikier
;
spikiest
Britannica Dictionary definition of SPIKY
1
:
having sharp points
:
formed into points
He has short,
spiky
[=
spiked
] hair.
a plant with
spiky
leaves
[+] more examples
[-] hide examples
[+] Example sentences
[-] Hide examples
2
British, informal
:
tending to become angry or annoyed easily
He has a
spiky
personality.
[+] 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
expensive
:
costing a lot of money
Learn More »