104 entries under extension topic. ×
| upsurge(noun, advance, increase, raise, rise) | |
| affix(noun, supplement, adjunct, addendum) | |
| broadening(noun, increase, delay, development, spread) | |
| buildup(noun, advance, increase, rise, progress) | |
| incorporation(noun, raise, rise, growth, capture) | |
| lean-to(noun, shelter, wing, porch) | |
| merger(noun, raise, rise, growth, capture) | |
| raising(noun, advance, increase, development, boost) | |
| spread(noun, advance, increase, raise, delay) | |
| step-up(noun, advance, increase, raise, rise) | |
| subsidiary(noun, increase, extra, additive) | |
| upping(noun, advance, increase, rise, progress) | |
| waxing(noun, advance, increase, raise, rise) | |
| widening(noun, increase, delay, development, spread) | |
| arm(noun, increase, delay, development, spread) | |
| branch(noun, increase, delay, development, spread) | |
| breakthrough(noun, advance, increase, raise, rise) | |
| compass(noun, increase, delay, development, spread) | |
| continuing(noun, increase, delay, development, spread) | |
| delay(noun, increase, development, spread, reach) |
For more, visit
Addition on
Power Thesaurus
| APA | Smart Define. (2015). addition thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/addition/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "addition thesaurus" https://smartdefine.org/addition/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, addition thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/addition/thesaurus/synonyms>. |
| MLA | Smart Define. "addition thesaurus" 22 December 2015. Web. 26 September 2026. <https://smartdefine.org/addition/thesaurus/synonyms> |