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Alphabet Section

Words Starting with Letter 'O'

Showing 60 of 699 words (Page 1 of 12).

O
Oaf /oaf/
Noun Kindergarten

A clumsy, awkward, or foolish person who often bumps into things.

Oafish /oafish/
Adjective Grade-2

Acting clumsy, awkward, or lacking in good manners and smarts.

Oak /oak/
Noun Kindergarten

A very large, strong tree that has hard wood and grows small nuts called acorns.

Oaken /oaken/
Noun Grade-1

Made completely from the strong, hard wood of a large oak tree.

Oakling /oakling/
Noun Grade-2

A young oak tree.

Oakum /oakum/
Noun Grade-1

Loose hemp or jute fiber made by untwisting old ropes, traditionally used to fill gaps in wooden ships to keep them from leaking.

Oaky /oaky/
Noun Grade-1

Smelling or tasting like oak wood, often used to describe the flavor of certain drinks like apple juice.

Oar /oar/
Noun Kindergarten

A long wooden or plastic pole with a flat blade at one end, used by a person to row and push a boat through water.

Oared /oared/
Noun Grade-1

Having oars, which are long poles with flat blades used to row a boat through the water.

Oarfish /oarfish/
Adjective Grade-2

A very long, thin ocean fish that lives deep in the sea and has a bright red fin on its head.

Oarless /oarless/
Adjective Grade-2

A small boat or canoe that is floating on the water without any oars to row with.

Oarlock /oarlock/
Noun Grade-2

A metal holder on the side of a boat that keeps the oar in place while rowing.

Oarsman /oarsman/
Noun Grade-2

A person who rows a boat using long wooden oars, often as part of a racing team.

Oary /oary/
Adjective Grade-1

Shaped like an oar, or moving back and forth through the water like the oars on a wooden rowboat.

Oasis /oasis/
Noun Grade-1

A peaceful green spot in a hot, dry desert where fresh water bubbles up and shady plants can grow.

Oast /oast/
Noun Grade-1

A special large oven or kiln that farmers use to dry hops before they are used to make beer.

Oatcake /oatcake/
Noun Grade-2

A flat, crisp cracker or biscuit baked using oatmeal, often eaten with butter or cheese for a snack.

Oaten /oaten/
Noun Grade-1

Made from oats or oatmeal, such as cookies, bread, or other yummy breakfast foods.

Oath /oath/
Noun Grade-1

A very serious promise that you make, often while swearing to tell the truth.

Oatmeal /oatmeal/
Noun Grade-2

A thick, warm breakfast cereal made by boiling rolled oats in hot milk or water until soft.

Obe /obe/
Noun Kindergarten

An alternate spelling of obi, which is a wide fabric sash worn around the waist with a traditional Japanese robe.

Obeah /obeah/
Noun Grade-1

A system of traditional religious healing and spiritual practices found in parts of the Caribbean.

Obelion /obelion/
Noun Grade-2

A specific anatomical point located on the top back part of the human skull.

Obelisk /obelisk/
Noun Grade-2

A tall, four-sided stone pillar that stands straight up and comes to a pointy shape at the very top.

Obelize /obelize/
Verb Grade-2

To mark a word or passage in a text with a symbol to show it is doubtful or corrupt.

Obelus /obelus/
Noun Grade-2

A special symbol, like a dagger (†) or a division sign (÷), used in writing or math.

Oberon /oberon/
Noun Grade-2

The king of the fairies in folklore and literature, such as in Shakespeare's plays.

Obese /obese/
Noun Grade-1

Having a very high and unhealthy amount of extra body fat that can make it hard to stay active.

Obesity /obesity/
Noun Grade-2

A medical condition where a person has too much body fat, which can make it harder to run and play.

Obey /obey/
Verb Grade-1

To do what you are told to do by someone in charge, like a parent, teacher, or safety rule.

Obeyer /obeyer/
Noun Grade-2

Someone who does what they are told to do by a rule or authority.

Obi /obi/
Noun Kindergarten

A very wide, beautiful sash or belt that is tied around the waist of traditional Japanese clothing like a kimono.

Obit /obit/
Noun Grade-1

A short notice in a newspaper or online about someone who has recently died.

Obitual /obitual/
Adjective Grade-2

Relating to a written notice that announces when someone has died along with a summary of their life.

Object /object/
Verb Grade-2

A solid thing that you can see and touch with your hands, but is not a living creature.

Oblate /oblate/
Noun Grade-2

Shaped like a sphere that is slightly squashed at the top and bottom.

Oblige /oblige/
Verb Grade-2

To do someone a favor or help them out, like holding the door open when their hands are full.

Obligee /obligee/
Noun Grade-2

A person to whom another is bound.

Obliger /obliger/
Noun Grade-2

A helpful person who happily does favors, accommodates others, or assists with their requests.

Obligor /obligor/
Noun Grade-2

A person who has a legal duty to pay or do something for someone else.

Oblique /oblique/
Noun Grade-2

Slanted or tilted sideways, instead of standing straight up and down or lying flat.

Oblong /oblong/
Adjective Grade-2

A shape that is longer than it is wide, with straight sides and square corners, like a rectangle.

Obloquy /obloquy/
Noun Grade-2

Very harsh criticism or public blame.

Oboe /oboe/
Noun Grade-1

A black wooden musical instrument shaped like a long tube that makes a high, sweet sound.

Oboist /oboist/
Noun Grade-2

A person who plays the oboe, which is a musical instrument shaped like a long tube.

Obolary /obolary/
Noun Grade-2

Relating to small coins or having to do with very little money.

Obole /obole/
Noun Grade-1

A tiny silver coin used in ancient Greece a very long time ago to buy small everyday items.

Obolus /obolus/
Noun Grade-2

An old Greek coin made of silver that people used to buy food and things a very long time ago.

Obovate /obovate/
Noun Grade-2

Shaped like an egg, but with the wider part up near the top and the pointy end pointing down at the bottom.

Obscene /obscene/
Noun Grade-2

Very rude, offensive, or hurtful, like using bad words or showing things that are not meant for children.

Obscure /obscure/
Noun Grade-2

Something that is very difficult to see clearly, understand, or is known by only a few people.

Obsequy /obsequy/
Noun Grade-2

A formal funeral ceremony or burial rite held to remember someone who has passed away.

Observe /observe/
Verb Grade-2

To watch something very carefully with your eyes, like a scientist studying bugs.

Obsess /obsess/
Verb Grade-2

To think about one specific thing or person all the time, making it hard to focus on anything else.

Obtain /obtain/
Verb Grade-2

To get or win something that you want by working hard or asking for it.

Obtest /obtest/
Verb Grade-2

To beg or plead with someone very earnestly and seriously, often asking for their help or mercy.

Obtrude /obtrude/
Verb Grade-2

To force yourself or your unwanted ideas on other people without being asked.

Obtund /obtund/
Verb Grade-2

To make a feeling or pain weaker, duller, and less sharp so it does not hurt as much.

Obtuse /obtuse/
Noun Grade-2

Slow to understand things or having an angle that is greater than a right angle.

Obverse /obverse/
Adjective Grade-2

The front side of a coin or medal, which usually has the main picture or face on it.

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