What does “constant” mean?
- 1
adjectivehappening all the time or again and again
The baby needs constant attention.
- 2
adjectivestaying at the same level or rate
Keep the oven at a constant temperature.
- 3
nounsomething that never changes, especially a number in science or math
The speed of light is a physical constant.
Constant at a glance
- Part of speech
- adjective & noun
- CEFR level
- B2 (upper intermediate)
- Pronunciation
- /ˈkɑnstənt/ · KON-stunt
How to use “constant” correctly
“Constant” stresses that something repeats without stopping; “consistent” means always behaving the same way. Don’t mix them up.
Common phrases with “constant”
- constant pressure
- constant speed
- remain constant
- in constant pain
Synonyms, opposites and related words
Synonyms (similar meaning)
- continuous
- steady
- unchanging
Antonyms (opposite meaning)
- variable
- occasional
Word family
- constantly
- constancy
“constant” is on these word lists
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