Synonyms and Antonyms for PA

1. pa (n.)

an informal term for a father; probably derived from baby talk

Synonyms: Antonyms:

2. PA (n.)

an electronic amplification system used as a communication system in public areas


4. Pa (n.)

a unit of pressure equal to one newton per square meter


5. Pa (n.)

a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead