ipsilateral

/ˌɪpsɪˈlætəɹəl/

//ˌɪpsɪˈlætəɹəl// adj

By · According to Wiktionary data (CC BY-SA) ·

"ipsilateral" is a 11-letter English headword indexed on PlainSpell.

The verdict

“ipsilateral” is uncommon English (frequency #92,736 among 17,902 “I” headwords), classed as an adjective. The kind of spelling people second-guess.

#92,736
frequency rank, English
17,902
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - On the same side of the body.

Key facts for ipsilateral
PropertyValue
Headwordipsilateral
LanguageEnglish
Part of speechAdjective
IPA/ˌɪpsɪˈlætəɹəl/
Letters11
Frequency rank#92,736
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “ipsilateral” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). ipsilateral lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

ipsilateral is uncommon English at frequency #92,736 among 17,902 “I” headwords, classed as anadjective, transcribed /ˌɪpsɪˈlætəɹəl/. Rarity is why readers land here mid-draft. Gloss: "On the same side of the body.".

Our edit-distance generator produced no likely misspellings for ipsilateral, typically a sign the spelling maps closely to how the word sounds. No close-neighbour confusable shows up for this headword in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From ipsi- + lateral. The correct English form is ipsilateral, spelled I-P-S-I-L-A-T-E-R-A-L.

Definition

  1. 1
    On the same side of the body.

Etymology

From ipsi- + lateral.

Synonyms

homolateral

Antonyms

contralateral

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "ipsilateral"?
"ipsilateral" is spelled I-P-S-I-L-A-T-E-R-A-L. The IPA pronunciation is /ˌɪpsɪˈlætəɹəl/.
What does "ipsilateral" mean?
As an adjective, "ipsilateral" means: On the same side of the body.
How do you pronounce "ipsilateral"?
The IPA (International Phonetic Alphabet) transcription for "ipsilateral" is /ˌɪpsɪˈlætəɹəl/. 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 "ipsilateral"?
From ipsi- + lateral. 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 “ipsilateral”

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

  • The one correct English spelling is I-P-S-I-L-A-T-E-R-A-L - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌɪpsɪˈlætəɹəl/ (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

Other uncommon English words near this rank

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