psychodynamics

1 of 2

noun

plural in form but singular or plural in construction
1
: the psychology of mental or emotional forces or processes developing especially in early childhood and their effects on behavior and mental states
2
: explanation or interpretation (as of behavior or mental states) in terms of mental or emotional forces or processes
3
: motivational forces acting especially at the unconscious level

psychodynamic

2 of 2

adjective

: relating to or concerned with mental or emotional forces or processes developing especially in early childhood and their effects on behavior and mental states

Word History

Etymology

Adjective

psych- + dynamic

First Known Use

Noun

1874, in the meaning defined at sense 1

Time Traveler
The first known use of psychodynamics was in 1874

Browse Nearby Words

Cite this Entry

“Psychodynamics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psychodynamics. Accessed 16 Jul. 2026.

Medical Definition

psychodynamics

noun, plural in form but singular or plural in construction
1
: the psychology of mental or emotional forces or processes developing especially in early childhood and their effects on behavior and mental states
2
: explanation or interpretation (as of behavior or mental states) in terms of mental or emotional forces or processes
3
: motivational forces acting especially at the unconscious level
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster