die out

die out

1. Lit. [for a species or family] to perish totally because of the failure to produce offspring. •

I am the last one in the family, so I guess our line will die out with me.

•

The owls might die out if you ruin their nesting area.

2. Fig. [for an idea, practice, style, etc.] to fade away through time. •

That way of doing things died out a long time ago.

•

It died out like the horse and buggy.

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{v.} To die or disappear slowly until all gone. * /This kind of bird is dying out./ * /If you pour salt water on grass, it dies out./ * /The American colonists started colleges so that learning would not die out./