English dictionary

retardation

/,r/i/t/A/r'd/eI//S//@/n/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

a decrease in rate of change

noun.attribute

Synonyms deceleration slowing

Antonyms acceleration

Source: WordNet 3.0
the extent to which something is delayed or held back

noun.time

Source: WordNet 3.0
any agent that retards or delays or hinders

noun.object

Synonyms retardant retardent

Source: WordNet 3.0
lack of normal development of intellectual capacities

noun.cognition

Synonyms backwardness mental retardation slowness subnormality

Source: WordNet 3.0
the act of slowing down or falling behind

noun.act

Synonyms lag slowdown

Source: WordNet 3.0
The act of retarding; hindrance; the act of delaying; as, the <i>retardation</i> of the motion of a ship; -- opposed to <i>acceleration</i>.

noun

Source: webster1913