- An unsteady flash of light.
- A short moment.
- (intransitive) To burn or shine unsteadily. To burn or shine with a wavering light.
- (intransitive) To keep going on and off; to appear and disappear for short moments; to flutter.
- Anything that floats.
- An employee of a company who does not have fixed tasks to do but fills in wherever needed, usually when someone else is away.
- A threadlike speck in the visual field that seems to move, possibly caused by degeneration of the vitreous humour.
- An "extra" male at a dinner party, or a young friend of the hostess, whose assignment is to entertain the female guests.
- (insurance) A policy covering property at more than one location or which may be in transit.
- (police jargon) A floating corpse picked up from a body of water.
- (sports) An unaffiliated player.
- (surfing) A maneuver in which a surfer transitions above the unbroken face of the wave onto the lip, or on top of the breaking section of the wave.
- (vulgar) A piece of faeces that floats.
- 2004: He left a floater in the toilet. — poetry critical workshop http://poetry.tetto.org/read/11410/
- (two-up) A coin which does not spin when thrown in the air.
- 1998: In this section "floater" means a spin in which at least 1 of the coins does not turn over in the air at least once. — Queensland government Casino Gaming Amendment Rule (No. 2) 1998 http://www.legislation.qld.gov.au/LEGISLTN/SLS/1998/98SL233.pdf
- Someone who attaches themselves to a group of people, much to the dismay of that group, and repeatedly shows up to participate in group activities despite attempts to get rid of, or "flush," that person.