2
curbed
2
defective
2
deferred(adjective, put)
2
dim-witted
2
dumb(adjective, dull, stupid, impulsive, impractical)
2
hampered
2
held up(expression, late, delayed, overdue, postponed)
2
hung up(expression, late, delayed, overdue)
2
in a bind(expression, idiom, late, delayed, overdue)
2
jammed(late, delayed, overdue)
2
lagged
2
leisurely
2
mentally defective
2
non-punctual
2
procrastinated
2
restrained
2
sluggish(slow, late, delayed, overdue)
2
soft(adjective, ability, informal, offensive)
2
thick
2
underdeveloped(impulsive, impractical, half-baked, doomed, unplanned)
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APASmart Define. (2016). retarded thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/retarded/thesaurus/synonyms
ChicagoSmart Define. 2016. "retarded thesaurus" https://smartdefine.org/retarded/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, retarded thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/retarded/thesaurus/synonyms>.
MLASmart Define. "retarded thesaurus" 27 January 2016. Web. 23 September 2026. <https://smartdefine.org/retarded/thesaurus/synonyms>