noun
noon
noon
noun
1
Twelve o'clock in the middle of the day.
"We agreed to meet for lunch at noon."
"By noon, the temperature had already climbed past thirty degrees."
2
The highest or peak point of something.
"The empire reached the noon of its power in the second century."
How to Use Noon
Learner’s notesIn plain EnglishThe middle of the day, exactly twelve o'clock.
Common mistake
Don't confuse with "midnight," which is twelve o'clock at night — noon is always daytime.
Easily confused with
Common pairings
high noon
by noon
noon meeting
Word Forms
nooned past tense, noons plural, noons plural, Noons plural, Noons plural, noons singular
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “noon”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
We agreed to meet for lunch at _____.
Etymology
From Old English non, "the ninth hour," borrowed from Latin nona (hora), "ninth hour" — originally referring to about 3pm, before the meaning shifted to midday.