7-letter words starting with op
- op code — operation code
- opacify — to cause to become opaque.
- opacity — the state or quality of being opaque.
- opaleye — a green game fish, Girella nigricans, common off rocky shores from California southward, having opalescent blue eyes.
- opaline — of or like opal; opalescent.
- opalize — To convert into a form of opal or chalcedony, especially to convert wood into such a fossilized form.
- opaqued — not transparent or translucent; impenetrable to light; not allowing light to pass through.
- opaques — Third-person singular simple present indicative form of opaque.
- opelika — a city in E Alabama.
- open to — glad or willing to receive, discuss, etc.
- open up — not closed or barred at the time, as a doorway by a door, a window by a sash, or a gateway by a gate: to leave the windows open at night.
- openbsd — (operating system) A version of BSD Unix with an emphasis on security. A lot of security work that is ported to other free operating systems originates with OpenBSD and a lot of code review is done here. Sub-projects of OpenBSD include implementations of SSH, ntpd, and CVS, to be called OpenCVS.
- opendoc — (operating system) A compound document architecture from CIL based on CORBA. It aims to enable embedding of features from different application programs into a single working document.
- openers — a person or thing that opens.
- openest — (archaic) Second-person singular present simple form of 'open'.
- openeth — (archaic) Third-person singular simple present indicative form of open.
- opening — an open or clear space.
- openvms — Virtual Memory System
- operand — a quantity upon which a mathematical operation is performed.
- operant — operating; producing effects.
- operate — to work, perform, or function, as a machine does: This engine does not operate properly.
- opercle — an operculum, especially the posterior bone of the operculum of a fish.
- operons — Plural form of operon.
- operose — industrious, as a person.
- opgefok — damaged; bungled
- ophelia — a female given name.
- ophitic — a diabase in which elongate crystals of plagioclase are embedded in pyroxene.
- ophiura — a sea creature, similar to a starfish, of the Ophiuridae family
- opiated — Simple past tense and past participle of opiate.
- opiates — Plural form of opiate.
- opiatic — of, relating to, or resembling opiates.
- opining — Present participle of opine.
- opinion — a belief or judgment that rests on grounds insufficient to produce complete certainty.
- opioids — Plural form of opioid.
- oporice — a former medicine made with wine and autumn fruits
- opossum — a prehensile-tailed marsupial, Didelphis virginiana, of the eastern U.S., the female having an abdominal pouch in which its young are carried: noted for the habit of feigning death when in danger.
- oppidan — of a town; urban.
- oppidum — A large, defended Iron Age settlement associated with the Celtic La Tène culture.
- opposal — (archaic) opposition.
- opposed — to act against or provide resistance to; combat.
- opposer — to act against or provide resistance to; combat.
- opposes — Disapprove of and attempt to prevent, esp. by argument.
- opposit — Archaic form of opposite.
- opposum — Misspelling of opossum.
- oppress — to burden with cruel or unjust impositions or restraints; subject to a burdensome or harsh exercise of authority or power: a people oppressed by totalitarianism.
- oppugns — Third-person singular simple present indicative form of oppugn.
- opsonic — of, relating to, or influenced by opsonin; capable of promoting phagocytosis.
- opsonin — a constituent of normal or immune blood serum that makes invading bacteria more susceptible to the destructive action of the phagocytes.
- opt out — to make a choice; choose (usually followed by for).
- opt-out — to make a choice; choose (usually followed by for).
On this page, we collect all 7-letter words starting with OP. It’s easy to find right word with a certain length. It is the easiest way to find 7-letter word that beginning with OP to use in Scrabble or Crossword puzzles.