This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The act or process of retarding.

n. The condition of being retarded.

n. The extent to which something is held back or delayed.

n. Something that retards; a delay or hindrance.

n. Mental retardation.

n. Music A diminishing of tempo; a retard.

n. The act of retarding or delaying; hindrance.

n. The extent to which anything is retarded; the result of any retarding or delay; mental, social, or physical slowness.

n. That which retards; an obstacle; an obstruction.

n. Deceleration; reduction in the magnitude of velocity.

n. A suspension which resolves upwards.

n. The act of retarding; hindrance; the act of delaying; ; -- opposed to acceleration.

n. That which retards; an obstacle; an obstruction.

n. The keeping back of an approaching consonant chord by prolonging one or more tones of a previous chord into the intermediate chord which follows; -- differing from suspension by resolving upwards instead of downwards.

n. The extent to which anything is retarded; the amount of retarding or delay.

n. The act of retarding or making slower, or its effect; the hindering of motion, growth, or progress, or the hindrance effected; the act of delaying or impeding.

n. In physics:

n. A continuous decrement of velocity; a negative acceleration.

n. In acoustics and optics, the distance by which one wave is behind another. Better called retard, being translation of French retard.

n. Postponement; deferment.

n. Specifically, in music:

n. The act, process, or result of diminishing the speed or pace of the tempo

n. The prolongation of a concordant tone into a chord where it is a discord which is resolved upward: opposed to anticipation, and distinguished from suspension by the upward resolution

n. In telegraphy, decrease in the speed of telegraph-signaling due to self-induction and induction from surrounding conductors.

n. That which retards; a hindrance; an obstruction; an impediment.

n. a decrease in rate of change

n. the extent to which something is delayed or held back

n. any agent that retards or delays or hinders

n. lack of normal development of intellectual capacities

n. the act of slowing down or falling behind

"In fact, it specifically states “‘Mild’ mental retardation is typically used to describe people with an IQ level of 50 — 55 to approximately 70.”"

alteration    modification    change    time lag    hold    delay    wait    postponement    agent    holdup   

hindrance    magnetic retardation    retardation of the tides    retardation of mean solar time   

retardant    retardative    retarder    retarded    retard    retardive    retardate    retardance   

hindrance    obstacle    obstruction   

Alsatian    Americanization    Appalachian    Balkanization    Christianization    Confederation    Corp.    Croatian    Dalmatian    Desegregation   

epilepsy    schizophrenia    bifida    sclerosis    impairment    disfigurement    palsy    derangement    disability    abnormality