"incapacitating" in the verb sense
1. disable, disenable, incapacitate
make unable to perform a certain action
"disable this command on your computer"
2. disable, invalid, incapacitate, handicap
injure permanently
"He was disabled in a car accident"
"incapacitating" in the adjective sense
1. crippling, disabling, incapacitating
that cripples or disables or incapacitates
"a crippling injury"
Source: WordNet® (An amazing lexical database of English)
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