backwardness Synonyms

subnormality retardation slowness mental retardation untrust arrested development infantilism timidity temporization tardiness unfaith shyness scepsis reluctancy renitence renitency repression reserve retardment reticence royalism reluctance mental deficiency deceleration timidness underdevelopment unpunctuality wildlife refuge lack of knowledge lack of sophistication lack of development developmental delay sheepishness retiringness reactionism retardant arrears latecomer betise mongolism brain damage game park old-fashionedness learning difficulties amentia demureness diffidence dilettantism disinclination dubiosity