seriatim

/sɪəɹɪˈeɪtɪm/

//sɪəɹɪˈeɪtɪm// adv

"seriatim" is a 8-letter English headword indexed on PlainSpell.

The verdict

“seriatim” is outside the top-ranked English vocabulary, used as an adverb - the kind of word writers most often double-check.

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - One after another, in order; taking one topic or subject at a time in an order; sequentially.

Key facts for seriatim
PropertyValue
Headwordseriatim
LanguageEnglish
Part of speechAdverb
IPA/sɪəɹɪˈeɪtɪm/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “seriatim” sits in English frequency

seriatim falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for seriatim is 8 letters long, classified as an adverb, and transcribed in the International Phonetic Alphabet as /sɪəɹɪˈeɪtɪm/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "One after another, in order; taking one topic or subject at a time in an order; sequentially.".

No misspelling variants are generated for seriatim in our index, suggesting the orthography follows predictable English patterns. No confusable counterpart is on file for this word, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From Medieval Latin seriatim, from Latin seriēs (“row, chain”) + -ātim, adverbial suffix. The correct English form is seriatim, spelled S-E-R-I-A-T-I-M.

Definition

  1. 1
    One after another, in order; taking one topic or subject at a time in an order; sequentially.

Etymology

From Medieval Latin seriatim, from Latin seriēs (“row, chain”) + -ātim, adverbial suffix.

Synonyms

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "seriatim"?
"seriatim" is spelled S-E-R-I-A-T-I-M. The IPA pronunciation is /sɪəɹɪˈeɪtɪm/.
What does "seriatim" mean?
As an adverb, "seriatim" means: One after another, in order; taking one topic or subject at a time in an order; sequentially.
How do you pronounce "seriatim"?
The IPA (International Phonetic Alphabet) transcription for "seriatim" is /sɪəɹɪˈeɪtɪm/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "seriatim"?
From Medieval Latin seriatim, from Latin seriēs (“row, chain”) + -ātim, adverbial suffix. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “seriatim”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is S-E-R-I-A-T-I-M - every other letter order is a misspelling in standard orthography.
  • Say it as /sɪəɹɪˈeɪtɪm/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list