Sniff (?), v. i. [imp. & p. p.Sniffed (?) or Snift; p. pr. & vb. n.Sniffing.] [OE. sneven; akin to snivel, snuff; cf. Dan. snive to sniff. See Snuff, v. t.] To draw air audibly up the nose; to snuff; — sometimes done as a gesture of suspicion, offense, or contempt.
So ye grow squeamish, gods, and sniff at heaven. M. Arnold.