What does "undirected graph" mean?

A graph in which the edges are not ordered, so the edge (a, b) is identical to the edge (b, a).

What is a synonym for "undirected graph"?

Common synonyms include: undirected.

noun

noun ·Rare ·Advanced level

Noun

1
A graph in which the edges are not ordered, so the edge (a, b) is identical to the edge (b, a).
2
In mathematics, a graph in which edges have no orientation. wordnet