10 entries under expression topic. ×
| red light(noun, signal) | |
| warning signal | |
| aid to navigation | |
| casus belli(noun, signal) | |
| delicate subject(noun, signal) | |
| international alphabet flag | |
| international numeral pennant | |
| red rag(noun, signal) | |
| skull and crossbones | |
| sore point(noun, signal) |
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| APA | Smart Define. (2015). red flag thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/red_flag/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "red flag thesaurus" https://smartdefine.org/red_flag/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, red flag thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/red_flag/thesaurus/synonyms>. |
| MLA | Smart Define. "red flag thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/red_flag/thesaurus/synonyms> |