- tributary
- n1. branch, anabranch, feeder, affluent, confluent; stream, river, freshet, U.S. Dial. kill, gill, brook, Scot, and North Eng. burn, creek, Dial. crick; streamlet, brooklet, rivulet, rill, rillet, run, runnel, runlet.adj2. contributory, contributing, helping, assisting, adjuvant, aiding, abetting; supportive, helpful, assistive, cooperative; auxiliary, subsidiary, additional, supplementary, reserve, extra; accessory, ancillary, secondary.3. subordinate, inferior, second-class, less than, below, under; subject, subjected, dominated, controlled, enslaved, under one's thumb, subservient.
A Note on the Style of the synonym finder. 2014.