naive |nīˈēv|(also naïve). Adjective
(of a person or action) showing a lack of experience, wisdom, or judgment: the rather naive young man had been totally misled.
(of a person) natural and unaffected; innocent: Andy had a sweet, naive look when he smiled.

bear 2 |be(ə)r|. noun
a large, heavy, mammal that walks on the soles of its feet, with thick fur and a very short tail. Bears are related to the dog family, but most species are omnivorous.

car |kär|. noun
a road vehicle, typically with four wheels, powered by an internal combustion engine and able to carry a small number of people: we’re going by car | [ as modifier ] : a car crash.
· a railroad vehicle for passengers or freight: the first-class cars.
· the passenger compartment of an elevator, cableway, airship, or balloon.
· literary a chariot.

bike |bīk| informal. noun
a bicycle or motorcycle: I’m going by bike | [ as modifier ] : a bike ride.
verb [ no obj. ]
ride a bicycle or motorcycle: we hope to encourage as many people as possible to bike to work | (as noun biking) : the terrain is perfect for biking.
ORIGIN late 19th cent.: abbreviation.

motorcycle |ˈmōtərˌsīkəl|. noun
a two-wheeled vehicle that is powered by a motor and has no pedals.

shoe |Shōo|. noun
a covering for the foot, typically made of leather, with a sturdy sole and not reaching above the ankle.

narcolepsy |ˈnärkəˌlepsē|. Noun. Medicine
a condition characterized by an extreme tendency to fall asleep whenever in relaxing surroundings.