Looking for easy words that start with O? In this post, I’ve put together a list of some words beginning with O that are easy for kids (and adults) to spell, sound, and understand.
The letter O is a great place to start when learning the basics of structuring a sentence.
From short 3-letter words like ‘oar’ and ‘owl’ that are perfect for preschoolers to longer words like ‘opening’ and ‘octopus’ for kindergarteners – you’ll find plenty of easy words starting with H below:
Easy Words That Start With O
Oar – a pole with a flat blade, used to row or steer a boat through the water.
Omelet – a dish of beaten eggs cooked in a frying pan and served plain or with a savory or sweet topping or filling.
Once – on one occasion or for one time only.
Orange – a large round juicy citrus fruit with a tough bright reddish-yellow rind.
Ostrich – a flightless swift-running African bird with a long neck, long legs, and two toes on each foot. It is the largest living bird, with males reaching a height of up to 2.75 m.
Oval – having a rounded and slightly elongated outline or shape like that of an egg.
Oven – an enclosed compartment, usually part of a cooker, for cooking and heating food.
Over – extending directly upwards from.
Owe – have an obligation to pay or repay (something, especially money) in return for something received.
Owl – a nocturnal bird of prey with large eyes, a facial disc, a hooked beak, and typically a loud hooting call.
Own – used with a possessive to emphasize that someone or something belongs or relates to the person or thing mentioned.
Medium Difficulty Words That Start With O
Oasis – a fertile spot in a desert, where water is found.
Oblivious – not aware of or concerned about what is happening around one.
Obscure – not discovered or known about; uncertain.
Obstacle – a thing that blocks one’s way or prevents or hinders progress.
Occupy – reside or have one’s place of business in (a building).
Octopus – a cephalopod mollusc with eight sucker-bearing arms, a soft body, strong beaklike jaws, and no internal shell.
Offensive – causing someone to feel resentful, upset, or annoyed.
Offline – not controlled by or directly connected to a computer or the internet.
Offspring – a person’s child or children.
Oil – a viscous liquid derived from petroleum, especially for use as a fuel or lubricant.
Oink – the characteristic grunting sound of a pig.
Oldest – having lived for a long time; no longer young.
Olive – a small oval fruit with a hard stone and bitter flesh, green when unripe and bluish black when ripe, used as food and as a source of oil.
Omen – an event regarded as a portent of good or evil.
Only – and no one or nothing more besides; solely.
Opening – a space or gap that allows passage or access.
Operator – a person who operates equipment or a machine.
Opossum – an American marsupial which has a naked prehensile tail and hind feet with an opposable thumb.
Opposition – resistance or dissent, expressed in action or argument.
Optimize – make the best or most effective use of (a situation or resource).
Optional – available to be chosen but not obligatory.
Opulent – ostentatiously costly and luxurious.
Orbital – relating to an orbit or orbits.
Ordeal – a very unpleasant and prolonged experience.
Order – the arrangement or disposition of people or things in relation to each other according to a particular sequence, pattern, or method.
Ornament – a thing used or serving to make something look more attractive but usually having no practical purpose, especially a small object such as a figurine.
Orphan – a child whose parents are dead.
Otherwise – in circumstances different from those present or considered; or else.
Otter – a semiaquatic fish-eating mammal of the weasel family, with an elongated body, dense fur, and webbed feet.
Ounce – a unit of weight of one-sixteenth of a pound avoirdupois (approximately 28 grams).
Outdoor – done, situated, or used out of doors.
Outlaw – a person who has broken the law, especially one who remains at large or is a fugitive.
Outnumber – be more numerous than.
Outraged – arouse fierce anger, shock, or indignation in (someone).
Outside – the external side or surface of something.
Outskirts – the outer parts of a town or city.
Outweigh – be heavier, greater, or more significant than.
Overcoat – a long warm coat.
If there are any easy words beginning with O that you would like to see added to this list, please drop me a comment below and I’ll add them.
If you didn’t find what you were looking for – or maybe you just want more easy words – click any of the letters below to see a list of easy words starting with that letter of the alphabet:
List of Easy and Medium Difficulty Words From Other Letters of the Alphabet:
Image credits – Photo by Jerry Wang on Unsplash
Phil lives in England, UK, and has around 20 years experience as a professional life, career and executive coach. He started this blog to help others find and define their own self development journey. Blogging about a wide range of topics to help facilitate a better future.