operated by power from an engine

not done deliberately, but happening by accident

to give an amount of time, attention, etc. to something

partly; to some extent

a tendency to prefer one person or thing to another, and to favour that person or thing

expressing opinions or desires strongly and with confidence, so that people take notice

a feeling of being happy with your own character and abilities

better in quality than someone or something else; greater than someone or something else

to give special importance to something

to prefer one system, plan, way of doing something, etc. to another

to become fully grown or developed

happening as a result of something

a feeling of worry, especially one that is shared by many people

to move, or move something, from one position or place to another

to do something wrong or illegal

to find yourself in a place or situation that you did not intend or expect to be in