"unequal" in the adjective sense
1. unequal
poorly balanced or matched in quantity or value or measure
2. inadequate, unequal
lacking the requisite qualities or resources to meet a task
"inadequate training"
"the staff was inadequate"
"she was unequal to the task"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License