Having a signature; endorsed. Example: The signed check could be cashed.
Having both positive and negative varieties. Example: It wasn't until they tried to subtract 3 from 1 that the elementary school students realized they needed signed numbers.
(of a road, route) Furnished with signs and signposts; signposted.
All clues having "SIGNED"
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You can find a list of possible crossword clues for SIGNED below.