hypothesise
/haɪˈpɒθəsaɪz/verb
hypothesise is a verb meaning “Non-Oxford British English standard spelling of hypothesize” (English Wiktionary, September 2026). It is spelled H-Y-P-O-T-H-E-S-I-S-E, and it appears about once in every 25 million words in written English (wordfreq, 2021 data).
What does hypothesise mean?
verb
- 1
UKNon-Oxford British English standard spelling of hypothesize.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce hypothesise?
- /haɪˈpɒθəsaɪz/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-hypothesise.wav, Wikimedia Commons (author and licence on each file's page).
Forms of hypothesise
- hypothesises present, singular, he/she/it
- hypothesising participle, present
- hypothesised participle, past
- hypothesize US
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is hypothesise?
Hypothesise appears about once in every 25 million words in written English, the 150,355th 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).
Where does hypothesise come from?
From hypothesis + -ise.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).