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
caustic
2 ENTRIES FOUND:
caustic
(adjective)
caustic soda
(noun)
caustic
/
ˈ
kɑːstɪk/
adjective
caustic
/
ˈ
kɑːstɪk/
adjective
Britannica Dictionary definition of CAUSTIC
[
more caustic; most caustic
]
1
:
able to destroy or burn something by chemical action
The chemical was so
caustic
that it ate through the pipes.
[+] more examples
[-] hide examples
[+] Example sentences
[-] Hide examples
2
:
very harsh and critical
caustic
film reviews
She wrote a
caustic
report about the decisions that led to the crisis.
caustic
humor/wit
[+] more examples
[-] hide examples
[+] Example sentences
[-] Hide examples
— caustically
/
ˈ
kɑːstɪkli/
adverb
ASK THE EDITOR
Do we use me neither and me either only in the negative sense? Or I still can use me either in the positive sense? For example, if someone says "I love this meal" can I say "me either"?
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
gooey
:
wet and sticky (informal)
Learn More »