- Definitions|2
- Thesaurus|2k
- Abbreviations|0
425 entries under adjective topic. ×
| inconsiderate(careless, wild, foolish, casual) | |
| ineffective(weak, careless, feeble) | |
| insipid | |
| lackadaisical(casual, happy-go-lucky, slapdash) | |
| moody | |
| mutable(unstable, unsettled, variable) | |
| peppy(feature, state, trait, excited) | |
| perfunctory(casual, happy-go-lucky, slapdash) | |
| preposterous(wrong, careless, wild, foolish) | |
| shady(false, dishonest, deceitful, dubious) | |
| sharp(false, dishonest, deceitful, unreliable) | |
| slack(careless, criminal, negligent, aberrant) | |
| slovenly | |
| unconsidered(foolish, thoughtless, rash, impetuous) | |
| undecided | |
| undiscriminating | |
| unfaithful(false, dishonest, deceitful, unpredictable) | |
| unfixed(unstable, unsettled, unpredictable, unreliable) | |
| unreasonable(silly, foolish, stupid, chance) | |
| unsteadfast |
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| APA | Smart Define. (2015). irresponsible thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/irresponsible/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "irresponsible thesaurus" https://smartdefine.org/irresponsible/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, irresponsible thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/irresponsible/thesaurus/synonyms>. |
| MLA | Smart Define. "irresponsible thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/irresponsible/thesaurus/synonyms> |