senile (ˈsiːnaɪl) ![]() | |
| —adj | |
| 1. | of, relating to, or characteristic of old age |
| 2. | mentally or physically weak or infirm on account of old age |
| 3. | See old (of land forms or rivers) at an advanced stage in the cycle of erosion |
| [C17: from Latin senīlis, from senex an old man] | |
| 'senilely | |
| —adv | |
| senility | |
| —n | |
| a chattering or flighty, light-headed person. |
| a fool or simpleton; ninny. |
senility se·nil·i·ty (sĭ-nĭl'ĭ-tē)
n.
The state of being senile.
The mental and physical deterioration characteristic of old age.