hebetate
/hɛbɪˈteɪt/Definitions
1. verb
to make dull or less sharp; to blunt
“The constant rain will hebetate the knife’s edge.”
2. verb
to become dull or less sharp; to lose edge or keenness
“The once-sharp pencil began to hebetate after months of use.”
3. verb
to become less acute or less severe
“The symptoms of the illness will hebetate over time.”