optimal
/ˈɑptɪməl/adjective, noun
optimal is spelled O-P-T-I-M-A-L: 7 letters and 3 syllables. It appears 8.7 times per million words in written English, the 7,797th most frequent word form (wordfreq, 2021 data). People search “optimal vs optimum” about 1,300 times a month (Google, United States). As an adjective, optimal means “The best, most favourable or desirable, especially under some restriction” (English Wiktionary, September 2026).
How many letters and syllables are in optimal?
| Letters | 7: O-P-T-I-M-A-L |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | 8.7 times per million words; the 7,797th most frequent word form |
| Wrong spellings searched | none measured in search |
| Pairs people search | |
| Rhymes with |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is optimal?
Optimal appears 8.7 times per million words in written English, the 7,797th 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).
How do you pronounce optimal?
- UK /ˈɒptɪməl/
- US /ˈɑptɪməl/
Optimal has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-optimal.ogg, LL-Q1860_(eng)-Vealhurl-optimal.wav, Wikimedia Commons (author and licence on each file's page).
Words people confuse with optimal
Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).
Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).
What rhymes with optimal?
One word on PlainSpell end in the same sounds as optimal from its last stressed vowel (/ɑptɪməl/):
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of optimal
- optimals plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does optimal mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
The best, most favourable or desirable, especially under some restriction.
Finding the optimal balance between features and price is a common problem.
noun
- 1
The best of its kind
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Optimal in Spanish, French, German and Portuguese
In the sense the best:
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does optimal come from?
From Latin optimus (“best”) + English -al.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).