- Definitions|1
- Thesaurus|235
- Abbreviations|0
| offend | |
| play up(verb, expression, fail, disobey, trespass) | |
| raise Cain(verb, expression, rage) | |
| raise hell(verb, misbehave) | |
| rebel(verb, misbehave) | |
| sin | |
| sow wild oats | |
| spasm | |
| start to malfunction(expression, idiom) | |
| take a wrong turn | |
| transgress | |
| trespass(verb, fail, offend, disobey) | |
| DO | |
| ache | |
| act out(verb, misbehave) | |
| be difficult(verb, malfunction, misbehave) | |
| be on the blink(verb, malfunction, misbehave) | |
| be rowdy(verb, play, joke, clown) | |
| be wonky | |
| behave |
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| APA | Smart Define. (2015). act up thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/act_up/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "act up thesaurus" https://smartdefine.org/act_up/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, act up thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/act_up/thesaurus/synonyms>. |
| MLA | Smart Define. "act up thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/act_up/thesaurus/synonyms> |