Obsolete vs. Supersede

Obsoleteadjective

(of words, equipment, etc.) No longer in use; gone into disuse; disused or neglected (often by preference for something newer, which replaces the subject).

Obsoleteadjective

(biology) Imperfectly developed; not very distinct.

Obsoleteverb

To cause to become obsolete.

Obsoleteadjective

No longer in use; gone into disuse; disused; neglected; as, an obsolete word; an obsolete statute; - applied chiefly to words, writings, or observances.

Obsoleteadjective

Not very distinct; obscure; rudimental; imperfectly developed; abortive.

Obsoleteverb

To become obsolete; to go out of use.

Obsoleteadjective

old; no longer in use or valid or fashionable;

Obsoleteadjective

no longer in use;

Supersedeverb

(transitive) To take the place of.

Supersedeverb

(transitive) To displace in favour of itself.

Supersedenoun

(Internet) An updated newsgroup post that supersedes an earlier version.

Supersedeverb

To come, or be placed, in the room of; to replace.

Supersedeverb

To displace, or set aside, and put another in place of; as, to supersede an officer.

Supersedeverb

To make void, inefficacious, or useless, by superior power, or by coming in the place of; to set aside; to render unnecessary; to suspend; to stay.

Supersedeverb

To omit; to forbear.

Supersedeverb

take the place or move into the position of;

Supersedeverb

take the place of (a person or thing previously in authority or use); supplant