Synonyms for Floss:

n.

mouthwash, toothpick, gargle, toothpaste, fluoride, toothbrush. filament (noun)
flax, fiber, cilium, strand, thread, hemp, yarn, filament, string.
floss (noun)
dental floss.
fuzz (noun)
fiber.
thread (noun)
flax, yarn, strand, filament, string.

Other synonyms:

mouthwash, toothpick, toothbrush, fluoride, toothpaste. gargle. Other relevant words:
gargle, toothpick, fluoride, toothpaste, dental floss, mouthwash.

Usage examples for floss

  1. I know few things more irritating in a literary way than each of her final chapters,- for even in The Mill on the Floss there is a fatal " Conclusion." – Views and Reviews by Henry James