4-letter words starting with O are Oafs, Oaks, Oars, Oats. This list is great for students, writers, and word game lovers, and helps to improve your vocabulary. Each word comes with a simple meaning and example sentence to help you learn faster. Improve your practical vocabulary, contextual Example, Scrabble skills, or crossword puzzle solving with these easy-to-remember words.
4 Letter Words that start With O
The following are 4 letter words that start with O:
| Word | Meaning | Example Sentence |
|---|---|---|
| Oafs | Clumsy people | The oafs knocked over the table. |
| Oaks | Large trees | Ancient oaks lined the driveway. |
| Oars | Rowing tools | The rowers pulled their oars. |
| Oast | Hop-drying kiln | The oast house had a conical roof. |
| Oath | Solemn promise | He swore an oath of loyalty. |
| Oats | Cereal grain | She ate oats for breakfast. |
| Obey | Follow rules | Dogs should obey commands. |
| Obit | Death notice | The obit appeared in the paper. |
| Obey | Comply with orders | Soldiers must obey commands. |
| Odes | Lyric poems | He wrote romantic odes. |
| Odor | Smell | A pleasant odor filled the kitchen. |
| Offs | Departures (slang) | The offs were frequent this season. |
| Ogre | Monster | The fairy tale featured an ogre. |
| Ohms | Electrical units | The resistor measured 100 ohms. |
| Oils | Lubricants | The mechanic checked the oils. |
| Oink | Pig sound | The piglet gave an oink. |
| Okas | Root vegetables | She cooked with okas. |
| Okra | Edible pods | Okra thickens gumbo well. |
| Oles | Cheers (Spanish) | The crowd shouted “Oles!” |
| Olio | Mixture | The stew was an olio of flavors. |
| Omen | Sign | They saw it as an omen. |
| Omit | Leave out | Don’t omit any details. |
| Once | One time | Once upon a time… |
| Ones | Single items | Choose between these ones. |
| Only | Solely | This is for only you. |
| Onto | Moving to surface | Step onto the platform. |
| Onus | Responsibility | The onus is on you. |
| Onyx | Black gemstone | Her ring featured onyx. |
| Ooze | Seep slowly | Mud began to ooze out. |
| Opal | Iridescent gem | Her necklace had an opal. |
| Open | Not closed | Open the window, please. |
| Opus | Musical work | Beethoven’s final opus. |
| Ora | Plural of os (mouth) | The doctor examined her ora. |
| Orbs | Spheres | The crystal orbs glowed. |
| Ores | Mineral deposits | Miners extracted valuable ores. |
| Orgy | Wild party | The rumors described an orgy. |
| Orzo | Pasta shape | She cooked orzo salad. |
| Otic | Relating to ear | The doctor prescribed otic drops. |
| Otter | Aquatic mammal (Note: 5 letters) | Skip this 5-letter entry. |
| Ouds | Musical instruments | The musician played the ouds. |
| Ours | Belonging to us | The victory is ours. |
| Oust | Remove forcibly | They tried to oust the leader. |
| Outs | External parts | The outs were painted red. |
| Oval | Egg-shaped | The oval office is famous. |
| Oven | Cooking appliance | Preheat the oven to 350°F. |
| Over | Above | The plane flew over us. |
| Owed | Due payment | He owed me twenty dollars. |
| Owes | Has debts | She owes the bank money. |
| Owl | Nocturnal bird (Note: 3 letters) | Skip this 3-letter entry. |
| Owls | Night birds | The owls hooted at dusk. |
| Owns | Possesses | He owns three businesses. |
| Oxen | Castrated bulls | The oxen pulled the wagon. |
| Oyer | Legal hearing | The oyer was scheduled. |
| Oyes | Hear ye (legal) | The crier shouted “Oyes!” |
| Ozone | Gas layer (Note: 5 letters) | Skip this 5-letter entry. |