In general:

Tear often asks to move away from a sense of loyalty or obligation to unnecessary strain. If you tear up a letter in dream, then you have to expect bad news.

Traditionally:

European
- Tear apart or destroy something: the sun brings it to light;
- To tear up a letter or other documents: brings bad news;
- Tear in two other stuff: you will have to comply with an unpleasant obligation.

Hindu
- To tear up something in dream: infidelity of a friend or lover.

* Tear – pull or rip (something) apart or to pieces with force.
* Forms: tears – 3rd person singular present; torn – past participle; tearing – present participle; tore – past tense.
* Synonyms: verb: rend, rip, split, lacerate, break; noun: rip, rent.

Related dreams:

1. Shatter
2. Destruction
3. Forced (restrainted)
4. Z (letter)