6 syllables: An, te, di, lu, vi, an. Stress on lu.
an-tid-il-OO-vee-uhn
/æntɪdɪˈluːviən/
Antediluvian is pronounced an-tid-il-OO-vee-uhn (/æntɪdɪˈluːviən/). It has six syllables (An-te-di-lu-vi-an), with the stress on "lu". Antediluvian is an adjective meaning extremely old-fashioned or before the Biblical flood. It connotes something archaic or aged, often humorously or critically, and is used to describe ideas, objects, or attitudes from a very distant past. The term carries a sense of antiquity and retrograde antiquity in speech and culture.
adjectiveAntediluvian is an adjective meaning extremely old-fashioned or before the Biblical flood. It connotes something archaic or aged, often humorously or critically, and is used to describe ideas, objects, or attitudes from a very distant past. The term carries a sense of antiquity and retrograde antiquity in speech and culture.
How to Pronounce Antediluvian
"The professor dismissed the antediluvian theories as irrelevant to modern genetics."
"Her antediluvian laptop struggled to run the latest software."
"They refused to update their antediluvian filing system, which slowed the entire office."
Pronounce as /ˌæn.ti.dɪˈluː.vi.ən/ (US) or /ˌæn.tɪ.dɪˈluː.viən/ (UK). Break it into ante-di-lu-vian. Primary stress falls on the third syllable: di-LOO-vi-an. Start with a short /æ/ in ante, soften the second syllable /dɪ/, then stress /luː/ before the final /viən/. Mouth: light onset on ante, relaxed jaw for di, rounded lips for /luː/, then neutral to slightly schwa in -vi- and final /ən/. Audio references: check Cambridge dictionary audio and Forvo entries for native speakers to hear US vs UK nuances.
Common mistakes: misplacing stress (making ante- or dilu- too prominent), shortening the final -vian to -vi-an without the /ən/ ending, and mispronouncing /dɪ/ as /də/ in the middle. Correction: emphasize the third syllable with /ˈluː/ as the nucleus, keep /dɪ/ crisp but not syllabic, and finish with a light neutral schwa before the final /ən/. Practice the sequence ante-di-lu-vi-an with clear, continuous transitions. Listening practice helps—use native pronunciations from Pronounce and Forvo to align your rhythm.
US tends to have /ˌæn.ti.dɪˈluː.viən/ with a tighter /ɪ/ and rhoticity affecting the following vowel. UK often yields /ˌæn.tɪ.dɪˈluː.viːən/ with a slightly shorter second vowel and a longer final -ən. AU is similar to UK but may feature broader vowels in the final schwa and a more clipped rhythm, with maybe a touch more /ɜː/ in some speakers. In all regions the primary stress sits on the third syllable: -luː-. Watch for vowel length in /luː/ and the subtle/optional elision of the second syllable in fast speech.
The difficulty lies in the multi-syllabic structure and the mid-word cluster: ante-DI-lu-vi-an, with primary stress on the third syllable and a long /uː/ in /luː/. The sequence /-dɪ/ vs /dɪ/ can trip you, and the final -ian often becomes an unstressed /ən/ or /iən/. Additionally, it requires maintaining clarity across four to five phonemes without reducing syllables in casual speech. Focus on the three core bumps: accurate /dɪˈluː/ nucleus, clean /ən/ ending, and even tempo to avoid rushing the later syllables.
A unique feature for Antediluvian is the umlaut-like, heavy lateral flow of the /luː/ vowel cluster and the rhythm shift from compact ante-/to the elongated /luː/ in the stressed syllable. The second syllable is not strongly stressed; rather, the emphasis lands on -luː-, which shapes your mouth into a rounded, forward-placed vowel before a lighter /viən/ ending. This combination of long central vowel plus final unstressed suffix is a distinctive marker of the word’s cadence.
🗣️ Voice search tip: These questions are optimized for voice search. Try asking your voice assistant any of these questions about "Antediluvian"!
Antediluvian comes from Latin ante- ‘before’ + diluvium ‘flood,’ referring to the Biblical Flood that, in Genesis, occurred before the postdiluvian era. The term first appeared in English in the 17th century in sermons and scholarly works, but gained its modern pejorative sense in the 19th and 20th centuries as a descriptor for ideas or objects perceived as hopelessly antiquated. Its construction mirrors other Latinate adjectives formed with ante- plus a noun root; diluvium itself stems from diluvium (flood, deluge) from Latin diluvium, related to diluere ‘to wash away.’ Over time, antediluvian broadened from strictly biblical usage to general metaphor for anything excessively old-fashioned, often carrying a humorous or disdainful tone. It sits alongside other high-register terms like “prehistoric” or “anachronistic,” but with a punchier, more narrative flavor in contemporary prose. In modern usage, people typically apply it to ideas, technology, or fashion rather than to living beings, and it frequently appears in satire or critical commentary about outdated institutions or beliefs.
💡 Etymology tip: Understanding word origins can help you remember pronunciation patterns and recognize related words in the same language family.
Help others use "Antediluvian" correctly by contributing grammar tips, common mistakes, and context guidance.
💡 These words have similar meanings to "Antediluvian" and can often be used interchangeably.
🔄 These words have opposite meanings to "Antediluvian" and show contrast in usage.
📚 Vocabulary tip: Learning synonyms and antonyms helps you understand nuanced differences in meaning and improves your word choice in speaking and writing.
Words that rhyme with "Antediluvian"
-ion sounds
Practice with these rhyming pairs to improve your pronunciation consistency:
🎵 Rhyme tip: Practicing with rhyming words helps you master similar sound patterns and improves your overall pronunciation accuracy.
