volunteer army

noun

1. a military force composed entirely of enlistees.

Example Sentences

“We had a vendor lined up to print petitions and had assembled a volunteer army and a paid canvass operation that was set to go,” the Democrat’s former chief aide, Melissa DeRosa, writes in her political memoir, “What’s Left Unsaid: My Life at the Center of Power, Politics and Crisis.”

From Seattle Times

The same dynamic played out in the wake of Russia's full-scale invasion of Ukraine, which saw a volunteer army of pro-Ukraine hackers claim credit for numerous attacks on Russian websites and other online services.

From Reuters

A volunteer army of moms has been poring through records from the 1800s in an attempt to prove Clarence Thomas wrong.

From Slate

Former volunteer Army reservist Mr Priestley approached the man and calmly asked him to hand over the gun, which he did.

From BBC

It's been painful to watch the battle unfold for Doc and his drone reconnaissance team from Ukraine's Volunteer Army.

From BBC