BUOYANCY

• (noun) irrepressible liveliness and good spirit

  "I admired his buoyancy and persistent good humor"

  synonyms : irrepressibility

• (noun) the tendency to float in water or other liquid

• (noun) the property of something weightless and insubstantial

  synonyms : airiness

• (noun) cheerfulness that bubbles to the surface

  synonyms : perkiness

WordNet® 3.0, © 2006 by Princeton University.

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