sids Sidrach • sidth · · · Info · Definitions · Synonyms · Characters · · sids · · Text Latin · · Script 4 · · Length 1 · · Syllables Definitions · · · (noun) sudden and unexpected death of an apparently healthy infant during sleep. Synonyms: sudden infant death syndrome, SIDS, infant death, crib death, cot death. · · Noun Definition 1 Synonyms · · · sudden infant death syndrome · · Synonym 1 infant death · · Synonym 2 crib death · · Synonym 3 cot death · · Synonym 4 Characters · · d latin small letter d U+0064 i latin small letter i U+0069 s latin small letter s U+0073