Home | English | 5 letter words starting with O

5 letter words starting with O

January 18, 2024
written by Areej Khan

Many 5-letter words in English start with the letter ‘O’. Learning these words can help you play word games and crossword puzzles better. Below is a list of some 5-letter ‘O’ words to help you.

OasisA fertile spot in a desertThey found an oasis with a water spring.
OathsSolemn promisesThe knights took oaths to protect the kingdom.
ObeseExcessively fatThe doctor warned him about becoming obese.
ObeyComply with the command, direction, or request ofChildren should obey their parents.
ObitsObituariesHe read the obits in the morning paper.
ObjectA material thing that can be seen and touchedThe strange object turned out to be a sculpture.
ObligeMake (someone) legally or morally bound to an action or course of actionHe was obliged to attend the meeting.
OboesWoodwind instrumentsThe orchestra featured two oboes.
OccurHappen; take placeThe accident occur at the intersection.
OceanA very large expanse of seaThey sailed across the vast ocean.
OcherAn earthy pigment containing ferric oxideThe artist used ocher to give a warm tone.
OdeA lyric poem, typically one in the form of an address to a particular subjectHe wrote a beautiful ode to nature.
OdorA distinctive smellThe odor of fresh bread filled the bakery.
OffalThe entrails and internal organs of an animal used as foodOffal is considered a delicacy in some cultures.
OfferPresent or proffer for acceptanceHe offer her a gift.
OftenFrequently; many timesShe visits her family often.
OgresLarge, hideous mythical monstersTales of ogres often scared the children.
OiledTreated with oilHe oiled the machinery to keep it running smoothly.
OkapiAn African animal related to the giraffe but with a shorter neckThe okapi is a unique and rare species.
OldenRelating to the distant pastIn olden times, knights roamed the land.
OliveA small oval fruitShe added olives to the salad.
OmegaThe last letter of the Greek alphabetOmega is often used to signify the end.
OmeletA dish of beaten eggs cooked in a frying panHe made an omelet for breakfast.
OnsetThe beginning of somethingThe onset of winter brought snow.
OpalsGemstones made from hydrated silicaHer necklace was adorned with opals.
OpenAllowing access, passage, or viewThe door was left open.
OperaA dramatic work combining text and musicThey attended an opera last night.
OpineExpress an opinionHe was asked to opine on the matter.
OpsShort for operationsHe’s in charge of the ops team.
OptedMade a choiceShe opted for the vegetarian dish.
OpticRelating to the eye or visionThe surgeon specialized in optic nerves.
OralsExaminations conducted by word of mouthThe students prepared for their orals.
OrbitThe curved path of a celestial objectThe satellite was placed in orbit.
OrcasKiller whalesOrcas are apex predators in the ocean.
OrderThe arrangement or disposition of people or things in relation to each otherHe liked his books in order.
OrganA large musical instrument with pipesThe organ sounded throughout the church.
OrionA prominent constellationOrion can be seen clearly in the winter sky.
OrlopThe lowest deck of a shipSupplies were stored in the orlop.
OrphanA child whose parents are deadThe orphan was adopted by a loving family.
OsmicRelating to osmiumOsmic acid is used in certain chemical reactions.
OssifyTurn into bone or bony tissueThe cartilage will eventually ossify.
OtherUsed to refer to a person or thing that is different or distinct from one already mentionedThere must be other solutions to this problem.
OtterA furry aquatic mammalThe otter played in the river.
OughtUsed to indicate duty or correctnessYou ought to apologize for your mistake.
OunceA unit of weightHe added an ounce of sugar to the recipe.
OutdoSurpass in performanceShe always tries to outdo her previous achievements.
OuterOn the outsideThe outer layer of the wall was damaged.
OutgoThe act of going out; departureThe outgo of the president was unexpected.
OvalsShapes resembling an egg in outlineThe room had mirrors in ornate ovals.
OvensAppliances used for baking or roastingThe ovens were preheated for baking.
OverdoDo something to an excessive degreeBe careful not to overdo the exercise.
OwingDue to be paidThe amount owing was considerable.
OwnedPossessed as one’s ownShe proudly owned her small business.
OxbowA U-shaped bend in the course of a riverThe oxbow lake was a popular fishing spot.
OxideA binary compound of oxygen with another elementIron oxide is responsible for rust.
File Under: