Language & Reference · Reference dataset
Word Prefixes
Word prefixes, their meanings, origins, and examples.
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The 10 most recently added of 75 records · Select a column heading to sort.
| ID | Prefix | Meaning | Origin | Example |
|---|---|---|---|---|
| 66 | fore | before or in front | Old English | forecast |
| 67 | mis | wrongly or badly | Old English | misspell |
| 68 | over | too much or above | Old English | overreact |
| 69 | under | beneath or too little | Old English | underground |
| 70 | up | higher or better | Old English | upgrade |
| 71 | with | against or back | Old English | withstand |
| 72 | out | beyond or surpassing | Old English | outperform |
| 73 | off | away or removed | Old English | offset |
| 74 | mid | middle | Old English | midstream |
| 75 | self | of or by oneself | Old English | self-control |
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Collection For whole words with definitions and synonyms, the English dictionary collection has 127,311 words and phrases.
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Scope and sources
Last checked against sources: October 16, 2026.
Last changed: July 20, 2026. This is when we last changed the data or its description. It doesn’t mean the data runs up to that date.
- Wikipedia: English prefix (used with permission)
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