| Word | Definitions | Synonyms |
|---|---|---|
| hebdomad | (noun) any period of seven consecutive days | Synonyms: week |
| hebephrenia | (noun) a form of schizophrenia characterized by severe disintegration of personality including erratic speech and childish mannerisms and bizarre behavior; usually becomes evident during puberty; the most common diagnostic category in mental institutions | Synonyms: disorganized schizophrenia, disorganized type schizophrenia, hebephrenic schizophrenia |
| hebetude | (noun) mental lethargy or dullness | - |