retardation
The act of retarding or delayingThe act of retarding or delaying; hindrance.: The distance by which one wave is behind another.
Meaning
8 sensesThe act of retarding or delaying; hindrance.
(countable, uncountable)The distance by which one wave is behind another.
(countable, uncountable)The act of diminishing the rate of speed.
a decrease in rate of change
(countable, uncountable)A decrease in the speed of telegraph signalling.
(countable, uncountable)The extent to which anything is retarded; the result of any retarding or delay; mental, social, or physical slowness.
the extent to which something is delayed or held back
(colloquial, countable, derogatory, offensive, uncountable)Extreme stupidity.
(countable, uncountable)That which retards; an obstacle; an obstruction.
(countable, uncountable)Deceleration; reduction in the magnitude of velocity.
(countable, uncountable)A suspension which resolves upwards.
Translations
1 languagesOrigin
Learned borrowing from Latin retardātiō.Learned borrowing from Latin retardātiō.
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: retardations| Singular | retardation |
|---|---|
| Plural | retardations |
regular
Synonyms
11 synonyms- lack of normal development of intellectual capacities:backwardnessslownesssubnormality
- the act of slowing down or falling behind:slowdownlag
- a decrease in rate of change:decelerationslowing
Word family
1 related wordsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable
See also
neighbours in the dictionaryDictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.