Word: Discard

Context Sentence:
It also threatens social instability as norms and behavior change, old values and practices are discarded, new kinds of fads and fashions emerge, and traditional institutions become obsolete or are trasformed.

Source: Contemporary British Society, Nicholas Abercrombie and Alan Warde

Definition:
1. [transitive] to get rid of something
eg: Discard any old cleaning materials.
discarded paper
2: [intransitive and transitive] to put down unwanted cards in a card game