ULB

\y.ɛl.be\

/\y.ɛl.be\/ adj

The verdict

“ULB” sits in 20 confusable pairs (corpus #41,052) as an adjective. The look-alike neighbours are the real trap.

#41,052
frequency rank, French
44,794
“U” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Abréviation de ultralarge bande.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

ULB vs un
0% similar
ULB vs up
0% similar
ULB vs UV
33% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for ULB
PropertyValue
HeadwordULB
LanguageFrench
Part of speechAdjective
IPA\y.ɛl.be\
Letters3
Frequency rank#41,052
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “ULB” sits in French 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). ULB lands here:

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

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

Easy to mix with look-alikes

The spelling risk for ULB is neighbouring look-alikes ("un", "up", …), not just typos; it is anadjective pronounced \y.ɛl.be\. Frequency #41,052 among 44,794 “U” headwords. Gloss: "Abréviation de ultralarge bande.".

Zero misspellings are on record for ULB in our index, which points to an orthography that plays by predictable French rules. It also participates in 20 confusable-pair relationships, "un", "up", "UV", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Wiktionary doesn't record an etymology for this headword, so its spelling is best read as a straightforward mapping from sound to letter. The correct French form is ULB, spelled U-L-B.

Definition

  1. 1
    Abréviation de ultralarge bande.

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 French corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "ULB"?
"ULB" is spelled U-L-B. The IPA pronunciation is \y.ɛl.be\.
What does "ULB" mean?
As an adjective, "ULB" means: Abréviation de ultralarge bande.
What words are commonly confused with "ULB"?
"ULB" is commonly confused with "un", "up", "UV". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "ULB"?
The IPA (International Phonetic Alphabet) transcription for "ULB" is \y.ɛl.be\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "ULB" come from?
"ULB" is a French word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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 “ULB”

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

  • The one correct French spelling is U-L-B - every other letter order is a misspelling in standard orthography.
  • Say it as \y.ɛl.be\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “un” - see the side-by-side comparison. ULB vs un
  • Browse more French words and confusable pairs in the same reference. French words

Words at a similar French frequency

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