- Definitions|1
- Thesaurus|128
- Abbreviations|0
| dirt(wrong, evil, obscenity) | |
| exclamation(curse, swearword) | |
| filth(wrong, evil, obscenity) | |
| foul invective(expression, curse, vulgarity, expletive, cussword) | |
| impiety(vulgarity, blasphemy, oath) | |
| interjection(curse, swearword) | |
| invective(curse, swearword) | |
| irreverence(vulgarity, blasphemy, oath) | |
| lubrici(evil, curse, obscenity) | |
| obscene word(noun, expression, vulgarity, swearword) | |
| offensiveness(atrocity, tastelessness) | |
| raunch(noun, obscenity) | |
| rude word(expression, obscenity, expletive) | |
| rudeness(atrocity, offensiveness, tastelessness) | |
| smutty language | |
| strong language(expression, curse, expletive) | |
| swearwords | |
| taboo(vulgarity, blasphemy, oath) | |
| taboo language | |
| tastelessness(atrocity, offensiveness) |
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| APA | Smart Define. (2015). four-letter word thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/four-letter_word/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "four-letter word thesaurus" https://smartdefine.org/four-letter_word/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, four-letter word thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/four-letter_word/thesaurus/synonyms>. |
| MLA | Smart Define. "four-letter word thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/four-letter_word/thesaurus/synonyms> |