Webster's English Dictionary

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naught

1. naught \'no.t, 'na:t\ pn [ME, fr. OE na-wiht, fr. na- no + wiht 
   creature, thing]- more at NO, WIGHT : NOTHING 
2. naught n 1a: NOTHING  1b: NOTHINGNESS, NONEXISTENCE  2: the arithmetical 
   symbol 0 : ZERO, CIPHER 
3. naught aj : of no importance : INSIGNIFICANT