English

edit

Etymology 1

edit

From fathom +‎ -ly.

Adjective

edit

fathomly (comparative more fathomly, superlative most fathomly)

  1. (rare, nonstandard) Very deep; abyssal.
    • 1900, The Medical Herald, volume 19, page 27:
      We know the Present ; the Past we have experienced, and are persuaded that the Future flows out from some fathomly abyss of being, of exhaustless source, itself being in its supreme sense, and beginningless in its nature.

Etymology 2

edit

From fathom +‎ -ly.

Adverb

edit

fathomly (comparative more fathomly, superlative most fathomly)

  1. (rare, nonstandard) Profoundly; deeply.
    • 1988, Ahmed Beita Yusuf, Maitatsine, page 51:
      A metropolitan suzerain, acclaimed to be, at once, par excellence, fathomly erudite, incomparably pious dauntingly charismatic, lustrous without pareil, admirably devout, soundly versed in lslam, remotely materialistic, flexibly oligarchic.