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Learn How to Pronounce 100th

Quick Answer: In English, the ordinal 100th is pronounced /ˈhʌndrədθ/.
(Listen to the audio above for the stress and intonation)

The Expert's Take

Dr. Franz Lang
"The ordinal "100th" is a tricky one for non-native speakers because of that final "th" cluster. I often use it to demonstrate how English speakers handle complex consonant endings. It’s a small word that carries a lot of weight, marking a significant milestone in any sequence."
By Dr. Franz Lang

Meaning and Context

The term "100th" is an ordinal number that precisely denotes the position of an item in a sequence following the ninety-ninth and preceding the one hundred and first. Its significance extends far beyond simple enumeration, as it is deeply embedded in cultural and historical contexts to mark profound milestones, such as a centennial anniversary celebrating a century of existence for an institution, city, or nation. In competitive and statistical realms, achieving the 100th position in a ranking or the 100th victory in a sport represents a quantifiable and often celebrated achievement. The concept is also pivotal in commemorations, like the 100th birthday of a notable individual or the 100th episode of a long-running television series, serving as a testament to longevity and sustained impact. Furthermore, historical analysis frequently references events like the 100th day of a presidency or the 100th anniversary of World War I, which was observed in 2014, using this ordinal as a benchmark for evaluation and reflection on progress or legacy.

Common Mistakes and Alternative Spellings

While "100th" is the standard and correct ordinal form, common variations and errors arise in its presentation. The most frequent typo is the omission of the "th" suffix, resulting in the incorrect "100" when an ordinal is required (e.g., "He finished in 100 place"). Conversely, some may erroneously add an apostrophe, writing "100'th" in an attempt to separate the numeral from the suffix, but this is grammatically unnecessary and nonstandard. In written prose, it is sometimes stylistically rendered as "one hundredth," though the numeral form is typically preferred in contexts emphasizing data, rankings, or dates. Another occasional point of confusion is with the similar-sounding "100st," which is a clear grammatical error blending "100" with the suffix for first ("-st"). Ensuring the correct "th" suffix is used is crucial for clarity, especially in formal or historical writing where precision matters.

Example Sentences

The town is planning a grand parade and historical exhibition for the 100th anniversary of its founding charter next summer.

Securing the 100th spot on the prestigious annual list was still considered a remarkable achievement for the fledgling tech startup.

Veterans and dignitaries gathered at the memorial to honor the 100th anniversary of the armistice.

Her grandmother received a letter from the president upon celebrating her 100th birthday.

The series' 100th episode featured a special guest appearance by the original cast members.

Researchers published their 100th paper on renewable energy storage solutions in the journal this month.

Finishing the marathon in 100th place did not diminish his personal pride in completing the grueling race.

Sources and References

I used a combination of Wiktionary and Forvo to confirm the standard articulation, while YouGlish provided numerous real-world examples of how native speakers handle the tricky "th" cluster in fast-paced conversation.

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