retardations

1. a decrease in rate of changeExamples: "the deceleration of the arms race"Synonyms: deceleration, retardation, slowingAntonyms: acceleration

2. the extent to which something is delayed or held backSynonyms: retardation

3. any agent that retards or delays or hindersExamples: "flame-retardant"Synonyms: retardant, retardation, retardent

4. lack of normal development of intellectual capacitiesSynonyms: backwardness, mental retardation, retardation, slowness, subnormality

5. the act of slowing down or falling behindSynonyms: lag, retardation, slowdown