basic

Necessary, essential for life or some process.

Flour is a basic ingredient of bread.

Over the past few weeks, U.S. Coast Guard service members, civilian employees and their families have had to scramble to pay for basic necessities. Many have taken donations of food and toiletries from their communities, and frantically called their banks and credit unions to try to avert financial disaster.

Elementary, simple, fundamental, merely functional.

The Hotel Sparta’s accommodation is very basic.

Of or pertaining to a base; having a pH greater than 7.

Unremarkable or uninteresting; boring; uncool.

I'm not saying people are jealous of Hathaway because she is so perfect. Yes, she does have it all — husband, healthy career, good looks. But she doesn't do anything in an "awesome" way. She's basic.

And what can be said about Ginny? She’s basic. My guess is that she spends her time drinking pumpkin spice lattes and watching “Pretty Little Liars.” The Chosen One is way out of her quidditch league.

A necessary commodity, a staple requirement.

Rice is a basic for many Asian villagers.

An elementary building block, e.g. a fundamental piece of knowledge.

Arithmetic is a basic for the study of mathematics.

I know the basics of sailing and would love to learn more.

Basic training.

The drill sergeants gave him hell in basic.

When I shipped out for basic, the Orbital Defense Grid was all theory and politics.

Any of a family of third-generation programming languages.

Many programs were written for the Sinclair Spectrum computer in BASIC.