Letter Toolbox

6-letter words starting with OP

Every match in the dictionary, most common first.

21 words found

6-letter words 21

  • openedused of mouth or eyes
  • optionthe right to buy or sell property at an agreed price; the right is purchased and if it is not exercised by a stated date the money is forfeited
  • openlyin an open way
  • opposebe against; express opposition to
  • openerthe first event in a series
  • operasa drama set to music; consists of singing with orchestral accompaniment and an orchestral overture and interludes
  • opticsthe branch of physics that studies the physical properties of light
  • opaquenot transmitting or reflecting light or radiant energy; impenetrable to sight
  • opiatea narcotic drug that contains opium or an opium derivative
  • optingselect as an alternative over another
  • opioid
  • optimamost favorable conditions or greatest degree or amount possible under given circumstances
  • opinedexpress one's opinion openly and without fear or hesitation
  • opinesexpress one's opinion openly and without fear or hesitation
  • optime
  • oppugnchallenge the accuracy, probity, or propriety of
  • operona segment of DNA containing adjacent genes including structural genes and an operator gene and a regulatory gene
  • opiumsan addictive narcotic extracted from seed capsules of the opium poppy
  • opusesa musical work that has been created
  • ophite
  • opsinsretinal protein formed by the action of light on rhodopsin