Synonyms|504Antonyms|60|Broader|13Narrower|10Related|125
1
impeding(noun, support, fight, opposition, resistance)
1
inactivity
1
ineptness
1
infantilism
1
infarct
1
insanity
1
insusceptibility(noun, resistance, impermeability, invulnerability)
1
interdict
1
interfere
1
intransigence(support, fight, opposition, resistance, fighting)
1
leeway
1
legal restraint
1
leisureliness(noun, slowness)
1
let
1
letdown
1
lethargy(noun, slowness)
1
letup
1
log jam
1
mental defectiveness
1
mental deficiency
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APASmart Define. (2015). retardation thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/retardation/thesaurus/synonyms
ChicagoSmart Define. 2015. "retardation thesaurus" https://smartdefine.org/retardation/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, retardation thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/retardation/thesaurus/synonyms>.
MLASmart Define. "retardation thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/retardation/thesaurus/synonyms>