Time and Direction Prefixes and Their Meanings

Front

pro-

Back

A prefix meaning 'forward' or 'in favor of'.

Front

proactive

Back

Taking action in advance to address an expected difficulty.

Front

progress

Back

Forward or onward movement towards a destination.

Front

promote

Back

To support or actively encourage.

Front

proclaim

Back

To announce officially or publicly.

Front

proponent

Back

A person who advocates for something.

Front

retro-

Back

A prefix meaning 'backward' or 'in the past'.

Front

retroactive

Back

Taking effect from a date in the past.

Front

retrospect

Back

A review of past events.

Front

retrograde

Back

Directed or moving backward.