Synonyms: eighteenth
Definition: position 18 in a countable series of things
Similar words: rank
Definition: relative status
Usage: his salary was determined by his rank and seniority
Synonyms: 18th, eighteenth
Definition: coming next after the seventeenth in position
Similar words: ordinal
Definition: being or denoting a numerical order in a series
Usage: ordinal numbers; held an ordinal rank of seventh