Standard Lemma guide

fathomless

adj · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • US: /ˈfæ.ðəm.ləs/
  • US: /ˈfæ.ðəm.lɪs/
  • US: Recorded audio is listed in the source snapshot.

1

adj

Meaning 1

Very deep (especially of water deeper than a lead line can measure); bottomless, immeasurable.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

unfathomable or incomprehensible.

Definition source: English Wiktionary via Wiktextract

Usage: broadly

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree English fathom Proto-Indo-European *lewh1- Proto-Indo-European *lewHs-der. Proto-Germanic *leusaną Proto-Germanic *lausaz Proto-Germanic *-lausaz Proto-West Germanic *-laus Old English -lēas Middle English -les English -less English fathomless From fathom + -less.

Across languages

Translations

12 source translations are retained for this English entry.

  • Bulgarian: бездънен (bezdǎnen) — bottomless
  • Bulgarian: неизмерим (neizmerim) — bottomless
  • Dutch: bodemloos — bottomless
  • French: sans fond — bottomless
  • Georgian: უძირო (uʒiro) — bottomless
  • Georgian: განუზომლად ღრმა (ganuzomlad ɣrma) — bottomless
  • Georgian: განუზომელი სიღრმის (ganuzomeli siɣrmis) — bottomless
  • Bulgarian: неразбираем (nerazbiraem) — unfathomable or incomprehensible
  • Dutch: ondoorgrondelijk — unfathomable or incomprehensible
  • Dutch: onbegrijpelijk — unfathomable or incomprehensible
  • Georgian: გაუგებარი (gaugebari) — unfathomable or incomprehensible
  • Georgian: ჩაუწვდომელი (čauc̣vdomeli) — unfathomable or incomprehensible