fellow traveler

noun

: a person who sympathizes with and often furthers the ideals and program of an organized group (such as the Communist party) without membership in the group or regular participation in its activities

broadly : a sympathetic supporter of another's cause

fellow-traveling

ˈfe-(ˌ)lō-ˈtra-v(ə-)liŋ 

adjective

Synonyms

• supporter
• ally

Examples of fellow traveler in a Sentence

I struck up a conversation with one of my fellow travelers.

He was not a member of the Communist Party or even a fellow traveler.

Recent Examples on the Web

And that’s when the room shifts—from a table of professionals to a circle of fellow travelers. —Tom Roberts, Forbes.com, 4 Aug. 2025

At the array's center is a 118-dB speaker unit and a 9cc sound cavity to annoy fellow travelers with your excellent taste in music or be a useful audio beacon in emergencies. —New Atlas, 1 Aug. 2025

Curious what your fellow travelers saw fit to snag during Prime Day? —Merrell Readman, Travel + Leisure, 14 July 2025

These sneakers are versatile enough to pair with just about anything in your wardrobe, while still looking unique enough to set you apart from your fellow travelers. —Genevieve Cepeda, Travel + Leisure, 5 Aug. 2025

Word History

Etymology

translation of Russian popútčik

First Known Use

1925, in the meaning defined above

Rhymes for fellow traveler

• traveller