Source : Webster's Revised Unabridged Dictionary (1913)

Bother \Both"er\, v. t. [imp. & p. p. {Bothered} (?); p. pr. &
   vb. n. {Bothering}.] [Cf. Ir. buaidhirt trouble, buaidhrim I
   vex.]
   To annoy; to trouble; to worry; to perplex. See {Pother}.

   Note: The imperative is sometimes used as an exclamation
         mildly imprecatory.

Bother \Both"er\, v. i.
   To feel care or anxiety; to make or take trouble; to be
   troublesome.

         Without bothering about it.              --H. James.

Bother \Both"er\, n.
   One who, or that which, bothers; state of perplexity or
   annoyance; embarrassment; worry; disturbance; petty trouble;
   as, to be in a bother.

Source : WordNet®

bother
     n 1: an angry disturbance; "he didn't want to make a fuss"; "they
          had labor trouble"; "a spot of bother" [syn: {fuss}, {trouble},
           {hassle}]
     2: something or someone that causes trouble; a source of
        unhappiness; "washing dishes was a nuisance before we got
        a dish washer"; "a bit of a bother"; "he's not a friend,
        he's an infliction" [syn: {annoyance}, {botheration}, {pain},
         {infliction}, {pain in the neck}, {pain in the ass}]

bother
     v 1: take the trouble to do something; concern oneself; "He did
          not trouble to call his mother on her birthday"; "Don't
          bother, please" [syn: {trouble oneself}, {trouble}, {inconvenience
          oneself}]
     2: cause annoyance in; disturb, especially by minor
        irritations; "Mosquitoes buzzing in my ear really bothers
        me"; "It irritates me that she never closes the door after
        she leaves" [syn: {annoy}, {rag}, {get to}, {get at}, {irritate},
         {rile}, {nark}, {nettle}, {gravel}, {vex}, {chafe}, {devil}]
     3: to cause inconvenience or discomfort to; "Sorry to trouble
        you, but..." [syn: {trouble}, {put out}, {inconvenience},
        {disoblige}, {discommode}, {incommode}]
     4: intrude or enter uninvited; "Don't bother the professor
        while she is grading term papers"
     5: make nervous or agitated; "The mere thought of her bothered
        him and made his heart beat faster"
     6: make confused or perplexed or puzzled