jam
verb (used with object)
to press, squeeze, or wedge tightly between bodies or surfaces, so that motion or extrication is made difficult or impossible.
jammer
-
a word derived from
jam.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
That signal arrives from satellites more than 12,000 miles above the earth, so weak by the time it reaches the ground that a cheap jammer easily available online can disrupt it.
From The Wall Street Journal ● Jul. 5, 2026
The jammer is only effective against some Russian drones.
From BBC ● Aug. 24, 2025
The commander, known on the battlefield as Oleksandr, flips a switch to activate the jammer which interferes with the drone’s radar; it’s the equivalent of shining a bright light in someone’s eye to disorient them.
From Seattle Times ● Feb. 13, 2024
That method has a smaller area of effect because it depends on a jammer getting relatively closer to systems it intends to disrupt.
From Washington Post ● Apr. 18, 2023
“But this one activates a radio jammer so no one can use electronic devices to listen in on you.”
From "City Spies" by James Ponti
