without

/wi-ˈt͟hau̇t/

Middle English withoute, from Old English withūtan, from with + ūtan outside, from ūt out

preposition

  1. outside

  2. —used as a function word to indicate the absence or lack of something or someone

adverb

  1. on the outside : externally

  2. with something lacking or absent

conjunction

  1. unless

you don't know about me without you have read a book