Main entry: ordinal
Definition: being or denoting a numerical order in a series
Usage: ordinal numbers; held an ordinal rank of seventh
Antonyms: cardinal
Definition: being or denoting a numerical quantity but not order
Antonyms: last
Definition: coming after all others in time or space or degree or being the only one remaining
Antonyms: second
Definition: a part or voice or instrument or orchestra section lower in pitch than or subordinate to the first
Antonyms: first
Definition: highest in pitch or chief among parts or voices or instruments or orchestra sections