Word meaning

fathom

verb · FATH-um

What does fathom mean?

Fathom means to understand something difficult after much thought.

Fathom in a sentence

“I can't fathom why anyone would stand in line for six hours.”

Synonyms for fathom

  • comprehend
  • grasp
  • understand

Where does fathom come from?

Originally a unit of length (six feet) based on the span of outstretched arms, used to measure water depth.

How to remember fathom

  • Say it out loud a few times: FATH-um.
  • Write one sentence of your own using fathom, about something that happened to you today.
  • Quiz yourself tomorrow, in three days, and next week. Spaced reviews are what make new words stick.

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