"enervating" in the verb sense
1. enervate
weaken mentally or morally
2. faze, unnerve, enervate, unsettle
disturb the composure of
"enervating" in the adjective sense
1. debilitative, enervating, enfeebling, weakening
causing debilitation
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License