noun · 9 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
frĕʹkwən-sē
/ˈfɹiːkwənsi/
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:F R IY1 K W AH0 N S IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The rate of occurrence of anything; the relationship between incidence and time period.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Examples
With growing confidence, the Viking’s raids increased in frequency.
The frequency of bus service has been improved from one every 15 to one every 12 minutes.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
The property of occurring often rather than infrequently.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Examples
The FAQ addresses questions that come up with some frequency.
The frequency of the visits was what annoyed him.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
The quotient of the number of times n a periodic phenomenon occurs over the time t in which it occurs: f=n/t.
Definition source: English Wiktionary via Wiktextract
Usage: countable
Examples
The frequency of the musical note A above middle C is 440 oscillations per second.
The frequency of a wave is its velocity v divided by its wavelength #92;lambda: f#61;v#47;#92;lambda.
Broadcasting live at a frequency of 98.3 megahertz, we’re your rock alternative!
The frequency for electric power in the Americas is generally 60 Hz rather than 50.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
A tone, character, mood, or vibe
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
number of times an event occurred in an experiment (absolute frequency)
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: mathematics, sciences, statistics
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
noun
Meaning 6
range of electromagnetic waves used for wireless communication in devices like radios, TVs and mobile phones
Definition source: English Wiktionary via Wiktextract