Easy (adjective)

Synonyms: easy, simple, straightforward, uncomplicated
Antonyms: hard, difficult

Synonyms:

easy: not difficult, or not needing a lot of effort
Example: The test was easier than I expected.  My boss is very easy to get on with.

simple: easy to do or understand
Example: The machine is very simple to use.

straightforward: easy to understand or carry out
Example: The instructions are quite straightforward.

uncomplicated: easy to deal with or understand
Example: In children’s books, the writing should be clear and uncomplicated.  The
procedure is relatively quick and uncomplicated.

Antonyms:

hard: not easy
difficult: not easy to do or achieve