1. A computer-implemented method for dynamically generating a speech recognition grammar, the method comprising: determining a target entry; accessing a plurality of potential distractors; selecting at least one distractor from the plurality of potential distractors, wherein the selected at least one distractor is selected based upon an acoustic dissimilarity between the distractor and the target entry; and generating, by at least one processor, a speech recognition grammar that includes the target entry and the at least one distractor.
5. The method of claim 1 , further comprising receiving a speech utterance and determining the target entry based upon the received speech utterance.