Wordnet 3.0
NOUN (1)
1.
a person of less than normal intelligence;
ADJECTIVE (1)
1.
below normal or average;
- Example: "after the floods the harvests were subnormal"- Example: "subnormal intelligence"
The Collaborative International Dictionary of English v.0.48:
Subnormal \Sub*nor"mal\, n. (Geom.)
That part of the axis of a curved line which is intercepted
between the ordinate and the normal.
[1913 Webster]
WordNet (r) 3.0 (2006):
subnormal
adj 1: below normal or average; "after the floods the harvests
were subnormal"; "subnormal intelligence"
n 1: a person of less than normal intelligence
Moby Thesaurus II by Grady Ward, 1.0:
52 Moby Thesaurus words for "subnormal":
aberrant, abnormal, amorphous, anomalistic, anomalous, arrested,
babbling, backward, blithering, burbling, crackbrained, cracked,
crazy, cretinistic, cretinous, deviative, different, dithering,
divergent, driveling, drooling, eccentric, erratic, formless,
half-baked, half-witted, heteroclite, heteromorphic, idiotic,
imbecile, imbecilic, irregular, low, maundering,
mentally defective, mentally deficient, mentally handicapped,
mentally retarded, mongoloid, moronic, not all there, retarded,
shapeless, simple, simpleminded, simpletonian, slobbering, stray,
straying, subpar, unnatural, wandering