officially compulsory, or otherwise considered essential. To need something, to make it necessary.

Self-service store selling groceries etc..

Greatest in time or length than another. for long time.

Used to add new (often different) information.

point at which goods are paid for in supermarket or similar store. Counter in a supermarket where you pay for goods.

having paid employment. action of doing work. To do your job in your company or workplace.

Not as expensive as something else; costing less.

event intended for public entertainment. Arrangements of objects so people can see or buy. (Animals) to indicate readiness for sex.

Idea or memory. To have an idea about something without certainty.

something used for making mathematical calculations. Small electronic device used for calculation.

Not gay; heterosexual. in straight line. part of something that is not curved.

smallest or lowest. Smallest degree or level that is acceptable.

flowing naturally or supplied to building through pipes and taps. action or movement of runner. (Of a road) to go from one place to another.

For a reason.

branch of physics and technology concerned with design of circuits using transistors and microchips. Science of electrons and their action.