What does the prefix socio- mean?
Socio- comes from the Latin socius, which means "companion" or "ally". It appears in social science and medical vocabulary, always related to society and relationships between people.

Prefix · society · social
Means "society" or "social": sociology, socioeconomic, sociopath, sociocultural.
Written by Bryan López, English teacher · Updated
Socio- comes from the Latin socius, which means "companion" or "ally". It appears in social science and medical vocabulary, always related to society and relationships between people.
Socio- is the prefix of the social sciences, and it also combines with other fields to talk about two things at once: society with economics, culture, politics or biology. Knowing this prefix helps you understand a large part of the vocabulary of the human sciences, which appears in news, studies and academic texts.
Combines with Latin and Greek roots in social science vocabulary:
Pronunciation: /ˈsoʊ.si.oʊ/.
socio-/ˈsoʊ.si.oʊ/
Tap the button to hear how the prefix sounds. Each word in the table has its own audio.
Clinically, both terms now fall under "antisocial personality disorder" in the DSM-5, but they describe different presentations: sociopath (socio- + path = social disease) shows impulsive, erratic antisocial behaviour but may form limited emotional bonds; psychopath (psycho- + path = mental disease) is typically more calculating and entirely incapable of empathy. In everyday speech the terms are often used interchangeably.
A trick to remember it
Think of society and the people in it: socio- = society. sociology, socioeconomic.
Exercise 1 · Form the word
Exercise 2 · Pick the right one
The term "socioeconomic" refers to...
The prefix socio- means "society" or "social": sociology, socioeconomic, sociopath, sociocultural.
The prefix socio- is pronounced /ˈsoʊ.si.oʊ/. For example, "sociology".
"logy" becomes "sociology". It is a typical example of the socio- prefix.
un-, re-, pre-, dis-, over-, in-... every beginning you need to unlock thousands of English words at once.