unequal

adjective

1. poorly balanced or matched in quantity or value or measure

   adj.all

   Antonyms equal

   Source: WordNet 3.0

2. lacking the requisite qualities or resources to meet a task

   adj.all

   Examples

   She was unequal to the task.

   Synonyms inadequate

   Antonyms adequate equal

   Source: WordNet 3.0

3. Not equal; not matched; not of the same size, length, breadth, quantity, strength, talents, acquirements, age, station, or the like; as, the fingers are of <i>unequal</i> length; peers and commoners are <i>unequal</i> in rank.

   adjective

   Source: webster1913