retard

noun 0.865

retarding

noun 0.824

retardance

noun 0.813

retardant

noun 0.766

retarder

noun 0.757

backwardness

noun 0.684

retrogression

noun 0.646

ritardando

noun 0.640

slowness

noun 0.612

retention

noun 0.601

retentiveness

noun 0.598

intellectual disability

noun 0.595

inhibition

noun 0.594

retrogress

noun 0.592

deceleration

noun 0.590

delaying

noun 0.589

tardiness

noun 0.589

degeneration

noun 0.588

slowdown

noun 0.587

retrogressive

noun 0.586

slowing

noun 0.580

regression

noun 0.580

belatedness

noun 0.577

retrograde

noun 0.576

time delay

noun 0.575

delay

noun 0.573

retiral

noun 0.572

dilatoriness

noun 0.570

retraction

noun 0.569

retirement

noun 0.567

impairment

noun 0.561

retracement

noun 0.554

delayed puberty

noun 0.554

deferment

noun 0.554

retentivity

noun 0.551

retainage

noun 0.549

attenuation

noun 0.547

maldevelopment

noun 0.547

lateness

noun 0.546

repression

noun 0.546

latency

noun 0.545

retractive

noun 0.545

restraint

noun 0.543

stagnation

noun 0.542

prolongation

noun 0.542

torpidity

noun 0.540

regress

noun 0.539

immaturity

noun 0.537

recessiveness

noun 0.537

slower

noun 0.536

reticence

noun 0.536

deferral

noun 0.536

derating

noun 0.535

tardy

noun 0.535

retreatment

noun 0.534

retrocession

noun 0.532

sluggishness

noun 0.532

depreciation

noun 0.531

reversion

noun 0.531

recessional

noun 0.529

cretinism

noun 0.529

disability

noun 0.527

decrement

noun 0.527

reduction

noun 0.527

underdevelopment

noun 0.525

degradation

noun 0.524

retting

noun 0.523

retribution

noun 0.522

impediment

noun 0.521

backward

noun 0.520

underachievement

noun 0.520

depression

noun 0.519

holdback

noun 0.518

prematurity

noun 0.517

age regression

noun 0.515

retraining

noun 0.514

delinquency

noun 0.514

setback

noun 0.513

deferred

noun 0.513

learning difficulty

noun 0.513

stupidity

noun 0.512

rain delay

noun 0.511

bradycardia

noun 0.510

detention

noun 0.509

hindrance

noun 0.508

fire retardant

noun 0.508

time lag

noun 0.508

bradyphrenia

noun 0.508

hesitation

noun 0.507

receding

noun 0.507

retentate

noun 0.507

retreat

noun 0.506

restraining

noun 0.506

derangement

noun 0.506

imbecility

noun 0.506

dementia

noun 0.505

ritenuto

noun 0.505

lagging

noun 0.504

stultification

noun 0.503

atrophy

noun 0.503