Plain and Unmodified

Plain adjective - Free from all additions or embellishment.

Unmodified and plain are semantically related in unmixed topic. In some cases you can use "Unmodified" instead an adjective "Plain".

Nearby Words: plainly, plainness, plaint

Unmodified adjective - Not changed in form or character.

Plain and unmodified are semantically related in unmixed topic. You can use "Plain" instead an adjective "Unmodified", if it concerns topics such as honest, straight.