| deviation(noun, quality, fault, defect, imperfection) |
| eccentricity(noun, quality, fault, defect, imperfection) |
| exception(noun, quality, fault, defect, imperfection) |
| extraordinariness(noun, quality, fault, defect, imperfection) |
| feature(noun, characteristic, quality, standard) |
| idiosyncrasy(noun, quality, fault, defect, imperfection) |
| imperfection(noun, quality, bad, fault) |
| irregularity(noun, quality, fault, defect, imperfection) |
| level(noun, feature, characteristic, quality, standard) |
| malformation(noun, quality, fault, defect, imperfection) |
| malfunction(noun, quality, fault, defect, imperfection) |
| oddity(noun, quality, fault, defect, imperfection) |
| peculiarity(noun, quality, fault, defect, imperfection) |
| property(noun, feature, characteristic, quality, standard) |
| requirement(noun, feature, characteristic, quality, standard) |
| singularity(noun, quality, fault, defect, imperfection) |
| strangeness(noun, quality, fault, defect, imperfection) |
| trait(noun, feature, characteristic, quality, standard) |
| uncommonness(noun, quality, fault, defect, imperfection) |
| weirdness(noun, quality, fault, defect, imperfection) |