What is the meaning of Doom?

Destiny, especially terrible.

An undesirable fate; an impending severe occurrence or danger that seems inevitable.

Dread; a feeling of danger, impending danger, darkness, or despair.

A law.

A judgment or decision.

A sentence or penalty for illegal behaviour.

Death.

The Last Judgment; or, an artistic representation thereof.

To pronounce judgment or sentence on; to condemn.

To destine; to fix irrevocably the ill fate of.

To judge; to estimate or determine as a judge.

To ordain as a penalty; hence, to mulct or fine.

To assess a tax upon, by estimate or at discretion.

Initialism of didn't organize, only moved; used in compounds designating a miscellaneous collection of items which one has failed to properly organize.

house, building

a judgement, (legal) decision or sentence

a decision or order

a court or trial issuing judgement

final judgement after death

justice, rulership, authority

child, offspring

fruit, seed

tablet, pill

Source: wiktionary.org