What are synonyms of unidirectional?

Here are some synonyms for unidirectional, depending on the context:

General:

* One-way

* Single-direction

* Directional

* Linear

* Non-reciprocal

* One-sided

Specific to certain fields:

* Asymmetrical (for movement or flow)

* Unilateral (for actions or decisions)

* Monopolar (for electrical signals)

* Unipolar (for electromagnetic radiation)

Informal:

* Going only one way

* One-lane

The best synonym to use will depend on the specific context in which you are using the word.