ibidem

/ˈɪb.ɪ.dɛm/

//ˈɪb.ɪ.dɛm// adv

"ibidem" is a 6-letter English headword indexed on PlainSpell.

The verdict

“ibidem” is uncommon English (outside the top frequency list), classed as an adverb. The kind of spelling people second-guess.

Unranked
below top-frequency English
6
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - In the same place; indicates a reference to the same source as the previous one.

Corpus desk

Index EN-ibidem · ibidem · English

ibidem · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "I" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for ibidem
PropertyValue
Headwordibidem
LanguageEnglish
Part of speechAdverb
IPA/ˈɪb.ɪ.dɛm/
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “ibidem” in English

ibidemsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

ibidem is uncommon English outside the top frequency list, classed as anadverb, transcribed /ˈɪb.ɪ.dɛm/. Rarity is why readers land here mid-draft. Gloss: "In the same place; indicates a reference to the same source as the previous one.".

No generated misspelling entries exist for ibidem in our index, a straightforward case of a spelling with little room for common typos. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: Borrowed from Latin ibīdem (“in the same place”). The correct English form is ibidem, spelled I-B-I-D-E-M.

Definition

  1. 1
    In the same place; indicates a reference to the same source as the previous one.

Etymology

Borrowed from Latin ibīdem (“in the same place”).

This word in other languages

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 "ibidem"?
"ibidem" is spelled I-B-I-D-E-M. The IPA pronunciation is /ˈɪb.ɪ.dɛm/.
What does "ibidem" mean?
As an adverb, "ibidem" means: In the same place; indicates a reference to the same source as the previous one.
How do you pronounce "ibidem"?
The IPA (International Phonetic Alphabet) transcription for "ibidem" is /ˈɪb.ɪ.dɛm/. 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 "ibidem"?
Borrowed from Latin ibīdem (“in the same place”). 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.

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

Source: FrequencyWords open word-frequency list