theoretically
adverb
theoretically is spelled T-H-E-O-R-E-T-I-C-A-L-L-Y: 13 letters and 6 syllables. It appears 4.4 times per million words in written English, the 12,216th most frequent word form (wordfreq, 2021 data). As an adverb, theoretically means “in theory; on paper” (English Wiktionary, September 2026).
How many letters and syllables are in theoretically?
| Letters | 13: T-H-E-O-R-E-T-I-C-A-L-L-Y |
|---|---|
| Syllables | 6 (from its American pronunciation) |
| In writing | 4.4 times per million words; the 12,216th most frequent word form |
| Wrong spellings searched | none measured in search |
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).
How common is theoretically?
Theoretically appears 4.4 times per million words in written English, the 12,216th 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 theoretically?
- US
Theoretically has 6 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: LL-Q1860_(eng)-Vealhurl-theoretically.wav, LL-Q1860_(eng)-Wodencafe-theoretically.wav, Wikimedia Commons (author and licence on each file's page).
What does theoretically mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adverb
- 1
in theory; on paper
I haven't tested it, but theoretically it ought to fly.
- 2
in a theoretical manner
I solved the problem theoretically rather than practically.
- 3
in theory though not necessarily in reality.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Theoretically in Spanish, French, German and Portuguese
In the sense in theory:
| Language | Words |
|---|---|
| French | théoriquement, en théorie |
| German | theoretisch, prinzipiell, rein gedanklich, vom Gedanken her |
| Portuguese | teoricamente |
| Spanish | teóricamente, en teoría |
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 theoretically come from?
From theoretical + -ly.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).