obsolete

No longer in use; gone into disuse; disused or neglected (often in favour of something newer).

Speedy, worldwide, accessible delivery of news through the Web has made newspapers obsolete.

Horses became obsolete means of transportation in cities in the first half of the twentieth century.

Imperfectly developed; not very distinct.

These two birds somewhat closely resemble each other, but the Sedge Warbler is russet-brown above, the feathers with dark centres, the pale buff eyestripe is very clearly defined, and the underparts are buffish white; the Reed Warbler is more olive on the upper parts, the feathers having no dark centres, the underparts are more inclined to buff, and the eyestripe is nearly obsolete.

To cause to become obsolete.

This software component has been obsoleted.

We are in the process of obsoleting this product.

An obsolete thing or person.