Synonyms for Peek:

n.

erupt, shoot up, spring, break through, emerge, spring up, crop up, pop up, come and go, descend on. flick, give someone/something the once-over, take one look at, dart, throw, sneak a look/glance etc. at, steal a glance/look. eye contact, preview, sighting. act (noun)
peep.
peek (noun)
glance, glint, peep.

v.

glimpse (verb)
peep, watch, look, glance.
search (verb)
pry, winnow, probe, scour, rummage, rifle, search, comb, look for, forage, seek, sift.
see (verb)
look, glare, peer, view, inspect, glance, spy, gaze, behold, discern, witness, regard, observe, perceive, sight, watch, stare, see, glimpse.

Other synonyms:

flick. dart. throw. Other relevant words:
glint, peep, flick, dart.

Usage examples for peek

  1. Seems to me I'll need to get out and get a peek at Silas Mallinsbee's coal. – The Son of his Father by Ridgwell Cullum
  2. " It was a very sweet song, and his voice was loud enough so Margaret heard him and opened a window to peek out. – Half a Dozen Girls by Anna Chapin Ray
  3. My father, Henry C. Peek was then an infant age six weeks and Charles Deere, the son of John, an infant of about the same age. – John Deere's Steel Plow by Edward C. Kendall