ba‧sic S1 W1
forming the most important or most necessary part of something [↪ basics]:
the basic principles of chemistry
The basic idea is simple.
medical techniques basic to the control of infection
at the simplest or least developed level [↪ basics]:
the basic skills of programming
Their knowledge is very basic.
The farm lacks even basic equipment.
the amount of money that you are paid before any special payments are added:
On top of the basic salary there are numerous other benefits.
4 [only before noun]
basic rights, needs etc are ones that everyone needs or should have:
basic human rights
poor families unable to meet their basic needs