Definition of "underlook"

underlook

/ˈʌndɚlʊk/

noun
plural underlooks
1. (rare) A concealed or oblique glance.
  Quotations
  […] exultingly cried Lord Carhampton, stealing an underlook at Maurice O'Driscoll, whom [sic] he knew was wont to boast of his Milesian lineage; […]
  1884, M. L. O'Byrne, Ill-won Peerages, Or, An Unhallowed Union, page 427
  […] rubbing his hands busily, rocking back and forth with one foot in front of the other, his head down but watching Watson with an underlook that was very arrogant, cocky, […]
  1973, Jack Kerouac, Visions of Cody, New Directions
verb
third-person singular simple present underlooks, present participle underlooking, simple past and past participle underlooked
1. To be suspicious or mistrustful of.
  Quotations
  _Suspect._ To _underlook_; to imagine or infer that appearances misrepresent; hence one who _suspects_ is inclined to _look beneath_ the surface.
  1906, Elmer W. Cavins, Orthography As Outlined in the State Course of Study for Illinois‎, Reprint edition, Gutenberg Project, published 2007
2. To look underneath.
3. To fail to notice because one is looking too low.
4. To look intently at or into; scrutinize; inspect.
5. To fail to give due worth or respect to.