Thesaurus.com
Dictionary.com
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.

For the past 80 years BBC Russian has sought to bypass those restrictions, which for decades featured jamming of its short-wave radio broadcasts and now involve blocking its website.

From BBC • Mar. 27, 2026

Drones can sometimes miss their targets when drone jamming systems interfere with their GPS signal.

From BBC • Mar. 25, 2026

So-called jamming has been commonplace along the Russia-Ukraine border over recent years, and now the Strait of Hormuz, through which 20% of the world’s oil is transported, is besieged by such electronic attacks.

From The Wall Street Journal • Mar. 18, 2026

Since then, Moscow has started producing them domestically, and it has been adapting them to navigate and target more precisely as well as withstand electronic warfare jamming.

From The Wall Street Journal • Mar. 17, 2026

Everyone was jamming together, singing songs: Dad’s songs, Adam’s songs, old Clash songs, old Wipers songs.

From "If I Stay" by Gayle Forman