-ster

-ster

suff.1. One that is associated with, participates in, makes, or does: songster. See Note at pollster.2. One that is: youngster.
[Middle English, from Old English -estre, female agent suff.]

-ster

suffix forming nouns 1. indicating a person who is engaged in a certain activity: prankster; songster. Compare -stress 2. indicating a person associated with or being something specified: mobster; youngster. [Old English -estre]

-ster

a suffix used in forming nouns, often derogatory, referring esp. to occupation, habit, or association: gamester; songster; trickster. [Middle English; Old English -estre, c. Middle Dutch -ster, Middle Low German -(e)ster]

ster.

sterling.