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Definitions

jamming

ADJECTIVE
extemporaneous
Synonyms
WEAK
ad hoc ad-lib automatic autoschediastic by ear casual expedient extemporary extempore fake free immediate impromptu improv improvisatory improviso informal made-up makeshift offhand on impulse on-the-spot snap spontaneous spur-of-the-moment toss off toss out unplanned unpremeditated unprepared unrehearsed unstudied winging it
Antonyms
WEAK
deliberate planned premeditated prepared rehearsed
ADJECTIVE
extemporaneous/extemporary
Synonyms
WEAK
ad hoc ad lib at first glance automatic by ear casual expedient extempore free immediate impromptu improv improvisatory improviso informal made-up makeshift off the cuff off the top of head offhand on impulse on-the-spot snap spontaneous spur-of-the-moment taking for ride thought out loud tossed off tossed out unplanned unpremeditated unprepared unstudied winging it
Antonyms
WEAK
planned prepared read rehearsed written
ADJECTIVE
off-the-cuff
Synonyms
WEAK
ad hoc ad-lib automatic autoschediastic by ear casual expedient extemporary extempore fake free immediate impromptu improv improvisatory improvised improviso informal made-up makeshift offhand on impulse on-the-spot snap spontaneous spur-of-the-moment toss off toss out unplanned unpremeditated unprepared unrehearsed unstudied winging it
ADJECTIVE
spur-of-the-moment
Synonyms
WEAK
ad hoc ad-lib automatic autoschediastic by ear casual expedient extemporary extempore fake free immediate impromptu improv improvisatory improvised improviso informal made-up makeshift offhand on impulse on-the-spot snap spontaneous toss off toss out unplanned unpremeditated unprepared unrehearsed unstudied winging it

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.

Neutralization closes the loop: electronic jamming, kinetic interceptors, directed-energy lasers and, increasingly, autonomous counterdrones that intercept targets without human intervention.

From MarketWatch • Apr. 13, 2026

Pupils attempt to short-circuit the devices by breaking off charging pins or jamming metal items into power ports, causing them to overheat and, in some cases, going on fire.

From BBC • Apr. 13, 2026

In the Middle East, there is no meaningful jamming of GPS, which can cause drones to crash or fly off course, as military officials expect in a conflict with China.

From The Wall Street Journal • Apr. 1, 2026

Even cheap missiles, though, are more expensive than some other ways of countering drones, including signal jamming, bullets and using other UAVs to smash into enemy vehicles.

From The Wall Street Journal • Mar. 30, 2026

“Ern, wake up,” Genie said, jamming his fingers into Ernie’s thigh.

From "As Brave As You" by Jason Reynolds