71 entries under strengthen topic. ×
| add fuel(verb, expression, increase, encourage, raise) | |
| add to(verb, expression, advance, increase, raise) | |
| brighten(verb, increase, raise, severe, boost) | |
| buttress(swell, expand, condense, fortify) | |
| elaborate(verb, increase, extend, enlarge) | |
| lengthen(verb, advance, increase, raise, rise) | |
| lighten(verb, increase, raise, severe, boost) | |
| pad(verb, advance, increase, raise, rise) | |
| point(verb, increase, raise, severe, boost) | |
| pour it on(verb, expression, idiom, increase, raise) | |
| pyramid(verb, increase, improve, expand) | |
| set off(verb, expression, increase, encourage, raise) | |
| severe(verb, increase, raise, boost, aggravate) | |
| spike(verb, increase, raise, severe, improve) | |
| stretch(verb, increase, extend, enlarge) | |
| supplement(verb, advance, increase, raise, rise) | |
| tone up(verb, expression, increase, raise, severe) | |
| assure | |
| clinch | |
| confirm |
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| APA | Smart Define. (2015). deepen thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/deepen/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "deepen thesaurus" https://smartdefine.org/deepen/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, deepen thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/deepen/thesaurus/synonyms>. |
| MLA | Smart Define. "deepen thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/deepen/thesaurus/synonyms> |