doormat

from WordNet (r) 3.0 (2006)
doormat
    n 1: a person who is physically weak and ineffectual [syn:
         {weakling}, {doormat}, {wuss}]
    2: a mat placed outside an exterior door for wiping the shoes
       before entering [syn: {doormat}, {welcome mat}]
    
from The Collaborative International Dictionary of English v.0.48
doormat \doormat\ n.
   1. a mat placed outside and exterior door for wiping the
      shoes before entering. [WordNet sense 2]

   Syn: welcome mat.
        [WordNet 1.5]

   2. (figurative) A person who is habitually abused, taken
      advantage of or humiliated; sometimes, one who is
      physically weak; as, they used him for a doormat. [WordNet
      sense 1]

   Syn: weakling.
        [WordNet 1.5]
    
from Moby Thesaurus II by Grady Ward, 1.0
40 Moby Thesaurus words for "doormat":
      Milquetoast, baby, big baby, carpet, carpeting, chicken, crybaby,
      drop cloth, duckboards, dull tool, floorboards, flooring,
      ground cloth, ground-sheet, gutless wonder, invertebrate,
      jellyfish, lightweight, mat, meek soul, milksop, mollycoddle,
      namby-pamby, nebbish, nonentity, pansy, pantywaist, pave, pavement,
      pushover, rug, sad sack, sissy, softling, softy, sop, tiling,
      weak sister, weakling, welcome mat

    

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