Synonyms of fathom in English:

fathom

verb

  • 1 Charlie tried to fathom the expression on his friend's face
    understand, comprehend, work out, fathom out, make sense of, grasp, catch, follow, perceive, make out, penetrate, divine, search out, ferret out, puzzle out, take in, assimilate, absorb, get to the bottom of; interpret, decipher, decode, disentangle, untangle, unravel, piece together
    informal make head or tail of, take on board, get a fix on, get/catch the drift of, tumble to, crack, dig, get, get the picture, get the message, see what's what
    British informal twig, suss (out)
    North American informal savvy
    rare cognize
  • 2 an attempt to fathom the ocean
    measure the depth of, sound, plumb, probe; gauge, estimate
  • Definition of fathom in:

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