not allowed by law:

a large ship that carries military aircraft and has a long, flat surface where they take off and land

an amount of money that has to be paid as a punishment for not obeying a rule or law:

a belt that fastens around you when you are travelling in a vehicle or aircraft and holds you in your seat, in order to reduce the risk of being injured in an accident

a place where three or more roads join and traffic must go around a circular area in the middle, rather than straight across

a ship that can travel underwater:

to change the direction, order, position, result, etc. of something to its opposite:

If the cost of something is prohibitive, it is too expensive for most people

a state in which or a place where you are safe and not in danger or at risk

a continuous curved line, the points of which are always the same distance away from a fixed central point, or the area inside such a line

a long motor vehicle with comfortable seats, used to take groups of people on journeys

a small vehicle for travelling on water

a large number of vehicles close together and unable to move or moving very slowly