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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.

The cable makes the drone impervious to electronic jamming.

From The Wall Street Journal • May 1, 2026

I went to Andrew Watt’s house maybe two years ago — we were just jamming, he wasn’t producing me or anything.

From Los Angeles Times • Apr. 30, 2026

Electronic countermeasures — jamming and GPS disruption — held the dominant technology share in 2025, at roughly 47% of the market.

From MarketWatch • Apr. 13, 2026

Zelensky said the partners were interested in the Ukrainian experience, training, interceptors and electronic jamming.

From The Wall Street Journal • Mar. 29, 2026

“Henry,” said the first Lisa, leaning forward and jamming out her half-smoked Vantage so it crooked at a right angle in the ashtray.

From "The Secret History" by Donna Tartt