nonstationary
adjective, noun
nonstationary is spelled N-O-N-S-T-A-T-I-O-N-A-R-Y: 13 letters. It appears about once in every 68 million words in written English, the 258,950th most frequent word form (wordfreq, 2021 data). As an adjective, nonstationary means “Not stationary” (English Wiktionary, September 2026).
How many letters and syllables are in nonstationary?
| Letters | 13: N-O-N-S-T-A-T-I-O-N-A-R-Y |
|---|---|
| In writing | about once in every 68 million words; the 258,950th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is nonstationary?
Nonstationary appears about once in every 68 million words in written English, the 258,950th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Forms of nonstationary
- non-stationary
- nonstationaries plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does nonstationary mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Not stationary.
noun
- 1
A data point whose statistical properties (mean, variance, covariance) are not constant over time.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does nonstationary come from?
From non- + stationary.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).