Synonyms for Afloat:

adj.

floating (adjective)
adrift, drifting.

n.

bookable, aboard, booking, ARR, board, Booking office, aisle seat, book on, bus. buoyancy, flotation, float, buoyant. solvent, straight, square, solvency, be even. adrift (noun)
loose, commissioned, unfastened, seaworthy, unfixed, on board ship, on the high seas, untied, in service, on the seas.
afloat (noun)
directionless, inundated, planless, aimless, sailing, drifting, flooded, waterborne, at sea, full, awash, floating, rudderless, overflowing, purposeless, adrift, undirected.

Other synonyms:

float, buoyancy, flotation, ARR, buoyant, Booking office, aisle seat, book on, solvency. board, solvent. bus, square. straight. onboard
aboard.
Other relevant words:
bus, float, on board ship, aboard, ARR, loose, untied, adrift, buoyancy, solvency, board, buoyant, flotation, unfixed, solvent, unfastened.

Usage examples for afloat

  1. It was wonderful that the boat he was in had remained long enough afloat to allow our ship to get near her. – On the Banks of the Amazon by W.H.G. Kingston
  2. I mean, said General Butler sternly, that it looks very much to me as if some mischief were afloat – A Daughter of the Union by Lucy Foster Madison
  3. You are victorious on all theatres of war, ashore as well as afloat – Germany, The Next Republic? by Carl W. Ackerman