| Main Entry: | |
| Part of Speech: | noun |
| Definition: | depression, sickness |
| Synonyms: | angst, anxiety, debility, decrepitude, despair, discomfort, disquiet, distress, doldrums, enervation, feebleness, illness, infirmity, infirmness, lassitude, melancholy, pain, sickliness, unease, uneasiness, unhealthiness, weakness |
| Antonyms: | good health, healthiness, well being |
| Main Entry: | weakness |
| Part of Speech: | noun |
| Definition: | defect, proneness |
| Synonyms: | Achilles heel, appetite*, blemish, chink in armor, debility, decrepitude, deficiency, delicacy, enervation, failing, faintness, fault, feebleness, flaw, fondness, fragility, frailty, gap, impairment, imperfection, impotence, inclination, inconstancy, indecision, infirmity, instability, invalidity, irresolution, lack, languor, lapse, liking, passion, penchant, powerlessness, predilection, proclivity, prostration, senility, shortcoming, soft spot, sore point, taste*, vice, vitiation, vulnerability |
| Antonyms: | strength, strong point |
| Main Entry: | debilitation |
| Part of Speech: | noun |
| Definition: | depletion of strength |
| Synonyms: | debility, depletion, devitalization, enervation, enfeeblement, exhaustion, fatigue, infirmity, weakness |
| Main Entry: | delicateness |
| Part of Speech: | noun |
| Definition: | frailness |
| Synonyms: | debility, decrepitude, delicacy, feebleness, fragileness, fragility, frailty, unsoundness, weakliness, weakness |
| Main Entry: | enervation |
| Part of Speech: | noun |
| Definition: | debilitation |
| Synonyms: | attenuation, debility, depletion, devitalization, enfeeblement, exhaustion, feebleness, frailness, frailty, weakening, weakness |
| Main Entry: | enfeeblement |
| Part of Speech: | noun |
| Definition: | debilitation |
| Synonyms: | attenuation, debility, depletion, devitalization, enervation, exhaustion, feebleness, frailness, frailty, weakening, weakness |
| Main Entry: | fragileness |
| Part of Speech: | noun |
| Definition: | frailness |
| Synonyms: | debility, decrepitude, delicacy, delicateness, enfeeblement, feebleness, flimsiness, fragility, frailty, infirmity, unsoundness, weakliness, weakness |
| Main Entry: | frailness |
| Part of Speech: | noun |
| Definition: | fragileness |
| Synonyms: | debility, decrepitude, delicacy, delicateness, enfeeblement, feebleness, flimsiness, fragility, frailty, infirmity, unsoundness, weakliness, weakness |
| Main Entry: | insubstantiality |
| Part of Speech: | noun |
| Definition: | infirmity |
| Synonyms: | affliction, ailing, ailment, confinement, debilitation, debility, decay, decrepitude, defect, deficiency, delicacy, delicateness, disease, diseasedness, disorder, failing, fault, feebleness, flimsiness, flu, fragileness, fragility, frailness, frailty, ill health, imperfection, indisposition, malady, malaise, puniness, shortcoming, sickliness, unhealth, unhealthiness, unsoundness, unsubstantiality, unwellness, vulnerability, weakliness, weakness* |