Personal Security Investigation

Views Updated: Dec 15, 2025

Key Facts

Abbreviation

PSI

Pronunciation

/ˈpərsɪnəl sɪˈkjʊrəti ˌɪnˌvɛstəˈgeɪʃən/

Category

Governmental

Related Field

Law & Legal

Other meanings of PSI

Pounds per Square Inch Academic

Pounds per Square Inch (lb/in2 preferred) Gov

Partido Socialista Interior Intl

Personnel Security Investigation Gov

Present Serviceability Index Gov

Pride Service and Integrity Misc

Paul Scherrer Institute Community

Pacific Sulfur Investigation Academic

Pre-Sensory Intuition Medical

Potential Security Informant Gov