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View synonyms for fathom

fathom

[fath-uhm]

noun

plural

fathoms 
,

plural

fathom .
  1. a unit of length equal to six feet (1.8 meters): used chiefly in nautical measurements. fath



verb (used with object)

  1. to measure the depth of by means of a sounding line; sound.

  2. to penetrate to the truth of; comprehend; understand.

    to fathom someone's motives.

fathom

/ ˈfæðəm /

noun

  1. a unit of length equal to six feet (1.829 metres), used to measure depths of water

  2. mining a unit of volume usually equal to six cubic feet, used in measuring ore bodies

  3. forestry a unit of volume equal to six cubic feet, used for measuring timber

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to measure the depth of, esp with a sounding line; sound

  2. to penetrate (a mystery, problem, etc); discover the meaning of

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Other Word Forms

  • fathomable adjective
  • fathomer noun
  • unfathomable adjective
  • unfathomed adjective
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Word History and Origins

Origin of fathom1

First recorded before 900; Middle English fathme, Old English fæthm “span of outstretched arms”; cognate with German Faden “six-foot measure,” Old Norse fathmr; akin to Latin patēre “to stand open” ( patent )
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Word History and Origins

Origin of fathom1

Old English fæthm ; related to Old Frisian fethem outstretched arms, Old Norse fathmr embrace, Old High German fadum cubit, Latin patēre to gape
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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Meanwhile, Umar's family and neighbours are still trying to fathom what happened.

Read more on BBC

This is rocking Britain in a way Americans may struggle to fathom if their frame of reference is U.S. public broadcasting.

He declined, but I couldn’t quite fathom how he was going to get home so late at night.

Read more on Los Angeles Times

“It is hard to fathom McKinley’s swing from one end of the imperial spectrum to the other in less than a year,” Mr. Jackson writes.

Before she'd even left the stage, Carlile's phone was blowing up with texts from people "so famous I couldn't fathom it".

Read more on BBC

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