Goad /(?)/

Goad

n.
  1. A pointed instrument used to urge on a beast; hence, any necessity that urges or stimulates.
    The daily goad urging him to the daily toil.

Goad

v. t.

imp. & p. p. Goaded; p. pr. & vb. n. Goading

  1. To prick; to drive with a goad; hence, to urge forward, or to rouse by anything pungent, severe, irritating, or inflaming; to stimulate.
    That temptation that doth goad us on.