| knob(noun, object, ball, convexity, rotundity) | |
| globule(ball, rotundity) | |
| ball(noun, object, rotundity) | |
| globe(noun, object, ball, rotundity) | |
| light bulb(noun, expression, idiom, ball) | |
| tuber(noun, object, root, vegetable, corm) | |
| lightbulb | |
| bunch(noun, object) | |
| incandescent lamp(noun, expression, idiom) | |
| medulla oblongata(noun, expression, idiom) | |
| sphere(ball, rotundity) | |
| corm(noun, object, tuber) | |
| protuberance(noun, object, ball) | |
| bleb | |
| bow | |
| bulbil | |
| bump(noun, convexity) | |
| corn(noun, object, ball) | |
| ear | |
| electric light(noun, expression, idiom) |
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| APA | Smart Define. (2015). bulb thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/bulb/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "bulb thesaurus" https://smartdefine.org/bulb/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, bulb thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/bulb/thesaurus/synonyms>. |
| MLA | Smart Define. "bulb thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/bulb/thesaurus/synonyms> |