The Clue
Subordinate (9 letter answer)
The Answer
TRIBUTARY
Tags
Notes
The answer TRIBUTARY is so rare that it appears less than once every 2500 puzzles.
Definition
TRIBUTARY as a noun:
1. (feeder, tributary, confluent, affluent) = a branch that flows into the main stream
TRIBUTARY as an adjective:
1. of a stream; flowing into a larger stream
2. paying tribute; "a tributary colony"
3. (conducive, contributing, contributive, contributory, tributary) = tending to bring about; being partly responsible for; "working conditions are not conducive to productivity"; "the seaport was a contributing factor in the growth of the city"; "a contributory factor"