Top Definition
1. not effective: with no useful result or practical purpose"
2. worthless: with little or no value
3. lazy: unwilling or uninterested in working or being active (archaic)
Will e-mail render traditional letter writing otiose? Let's hope not.
by illEATurHARTout March 23, 2004
3)not effective
The boy sits on the couch all day and is otiose.
by tanya January 12, 2004
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