41 entries under dangerous topic. ×
| perilous(adjective, harmful, injurious, detrimental) | |
| risky(adjective, harmful, injurious, damaging) | |
| serious(adjective, bad, offensive, foul, revolting) | |
| treacherous(adjective, harmful, injurious, detrimental) | |
| unsafe(adjective, injurious, damaging, destructive) | |
| acute | |
| alarming | |
| death-defying | |
| deathly | |
| explosive | |
| formidable | |
| grave | |
| impending | |
| precarious | |
| pressing | |
| terrible | |
| terrifying | |
| threatening | |
| unstable | |
| urgent |
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Poisonous on
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| APA | Smart Define. (2015). poisonous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/poisonous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "poisonous thesaurus" https://smartdefine.org/poisonous/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, poisonous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/poisonous/thesaurus/synonyms>. |
| MLA | Smart Define. "poisonous thesaurus" 19 August 2015. Web. 29 September 2026. <https://smartdefine.org/poisonous/thesaurus/synonyms> |