Fourth is the ordinal adjective used for describing the position in a sequence, as in the fourth item or fourth place. It also appears in phrases like “the fourth quarter.” It is pronounced with a stressed /fɔːr/ on the first syllable and a quiet /θ/ at the end, giving a compact blend of velar and interdental sounds. The word often coalesces the /r/ and /θ/ into a single fluent cluster in many accents.
"She finished fourth in the race, just behind the podium winners."
"In the fourth paragraph, the author makes a surprising claim."
"Turn to the fourth page to see the diagram."
"They placed fourth in the competition after a tense final round."
Fourth comes from Old English feortha, related to the Germanic roots *faurðuz* and Proto-Germanic *feurđaz*, linked to the concept of the number four and ordinality. The semantic path moves from a basic numeral to an attributive ordinal form as English grammar shifted to mark order (first, second, third, fourth). The medieval transition fused the ordinal suffix -th with the cardinal four, producing the modern ‘fourth.’ The first known uses appear in Old English texts where numbers were used to denote order in lists and genealogies. Over time, the word retained a strong positional meaning, evolving in usage from precise numerical reference to broader ordinal application in time (fourth day/hour) and ranking (fourth in a sequence). Modern usage also encompasses technical terms (fourth estate, fourth dimension) and common idioms. The word’s pronunciation has remained stable in English, though subtle vowel quality and rhoticity vary by dialect. In sum, fourth embeds both the numeric identity and its ordered position, a pattern visible across Germanic languages that influenced English’s ordinal system.
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Words that rhyme with "Fourth"
-rth sounds
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Pronounce it as /fɔːθ/ in most dialects, with a strong initial /f/, a rounded back open-mid vowel /ɔː/, and the voiceless interdental fricative /θ/ at the end. The stress is on the first (and only) stressed syllable. In American and British accents it often blends the vowel to a long /ɔː/; in fast speech you may hear a slightly reduced /fɔθ/ where the /θ/ is the main audible endpoint. Mouth position: lips rounded for /ɔː/, tongue lightly raised for /θ/ behind the upper teeth.
Two common errors are substituting /f/ with /v/ or replacing /θ/ with /t/ or /s/. The /θ/ is an interdental fricative produced with the tip of the tongue between the upper and lower teeth and a light breathy release; avoid voicing it or replacing with a stop. Another mistake is shortening /ɔː/ to a lax /ɒ/ or /ɑ/ in fast speech, which makes it sound like “for-t.” Practice the pure /ɔː/ vowel and ensure the /θ/ is clearly articulated after the vowel.
In US English, /fɔrθ/ tends to be rhotic with a clearer /r/ before the /θ/. UK English features a longer back rounded /ɔː/ and a crisper /θ/ with less post-vocalic r-coloring. Australian English often merges the vowel toward /ɒ/ or a centralized /ɔː/ with a non-rhotic tendency and a softer /θ/. The main differentiator is the vowel quality and rhoticity: US often rhotic, UK typically non-rhotic but with a pronounced /r/ in some articulations, AU varies regionally but commonly non-rhotic toward /ɔː/ or /ɒ/ and a clear /θ/.
The difficulty lies in the interdental /θ/ at the end, which many speakers substitute with /t/ or /f/ in fast speech, and in maintaining a pure long vowel /ɔː/ without reducing it to /ɒ/ or /a/. Keeping the tongue blade lightly between the teeth and releasing a breathy air through the teeth requires subtle control; similarly, avoiding an intrusive /r/ in non-rhotic accents helps keep the word crisp and distinct. IPA awareness helps you monitor each phoneme precisely.
Is there a common phonetic trap with ‘fourth’ involving the transition from vowel to /θ/? Yes. The mouth moves from a rounded, tense /ɔː/ into the interdental /θ/ so quickly that beginners sometimes shorten the vowel or omit voicelessness in the /θ/. Focus on a clean release: hold the /ɔː/ a split second longer, then push air through the teeth to create a crisp /θ/. This separation helps you avoid slurring into ‘forth’ or ‘foro.’
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