Nonobligatory and Selective

Nonobligatory adjective - Not required by rule or law.

Selective and nonobligatory are semantically related. in able to be chosen topic. In some cases you can use "Selective" instead an adjective "Nonobligatory".

Selective adjective - Tending to select carefully.

Nonobligatory and selective are semantically related. Sometimes you can use "Nonobligatory" instead an adjective "Selective".

Nearby Words: select, selection, selected, selecting, selector