Answer: barnacle

AnswerCrossword Clue
BARNACLEPerson hard to get rid of: Colloq.
barnaclea shellfish
barnacletype of shellfish that clings to ship bottoms and timber
BARNACLEThis sticks around
BARNACLEMarine crustacean
BARNACLE"..... Bill, the sailor"
BARNACLENautical hanger-on
BARNACLEAnagram for balancer
BARNACLEPiggyback rider on a whale
BARNACLE"... Bill the Sailor," 1931 song
BARNACLESeagoing Bill
BARNACLEEuropean goose
BARNACLEHanger-on
BARNACLESea animal.
BARNACLEPerson hard to get rid of.
BARNACLEMarine hanger-on
BARNACLEHanger-on.
BARNACLEFellow hard to shake off.
BARNACLE"... Bill the sailor."
BARNACLEShellfish that attaches to ships
BARNACLESeagoing shell dweller
BARNACLEAttachment to a whale
BARNACLECrustacean with cement glands
BARNACLEKeel clinger
BARNACLEIncrustation on a keel
BARNACLEHull incrustation
BARNACLECreature attached to a hull
BARNACLEBoat hanger-on
BARNACLEIt forms attachments at sea
BARNACLEClinger on a keel