adverb

• Floating.
• In a vessel at sea or on another body of water.
• Floating in the air; flowing freely; not tied, braided, etc. (of hair or clothing)
• Covered with water (bearing floating objects).
• (figurative) Covered, overspread (with or in something).
• Having enough money to continue to operate; (of a private individual, family, etc.) able to pay one's expenses, able to keep one's head above water. (of an organization)
• (dated, of ideas, information, etc.) Being believed or discussed by many people; being passed from person to person.
• (obsolete, of an emotional state) Stimulated, aroused.
• (obsolete) In a state of confusion or bewilderment.