noun · verb · 6 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Australian:/ˈd͡ʒɛɾəsən/
Australian:/ˈd͡ʒɛtɪsən/
Australia:Recorded audio is listed in the source snapshot.
Received-Pronunciation:/ˈd͡ʒɛtɪsn̩/
Received-Pronunciation:/-zn̩/
US:/ˈdʒɛd.ə.s(ə)n/
US:/ˈdʒɛd.ə.z(ə)n/
US:/ˈd͡ʒɛtɪsn̩/
US:/-zn̩/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:JH EH1 T IH0 S AH0 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
Items that have been or are about to be ejected from a boat or balloon to lighten the vessel.
Definition source: English Wiktionary via Wiktextract
Usage: collective, uncountable
Examples
The shoreline was littered with the floating jettison from the wrecked freighter.
Deep-sea divers discovered centuries-old jettison resting on the sandy seafloor.
Meaning relationships
Synonyms: jetsam ballast
Antonyms: none provided
2
noun
Meaning 2
The act of throwing goods overboard to lighten a ship or aircraft in distress.
Definition source: English Wiktionary via Wiktextract
Usage: countable
Topics: law, maritime, nautical, transport
Examples
The captain ordered the immediate jettison of the heavy cargo to save the sinking ship.
The maritime court spent weeks reviewing the legality of the cargo jettison during the storm.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
verb
Meaning 3
To eject from a boat, submarine, aircraft, spaceship or hot-air balloon, so as to lighten the load.
Definition source: English Wiktionary via Wiktextract
Examples
The ballooners had to jettison all of their sand bags to make it over the final hill.
The fuel tanks were jettisoned.
Meaning relationships
Synonyms: cast off, discard
Antonyms: none provided
4
verb
Meaning 4
To let go or get rid of as being useless or defective.
Definition source: English Wiktionary via Wiktextract
Usage: figuratively
No example sentence was provided for this meaning.
From Anglo-Norman getteson, from Old French getaison, from geter, jeter (modern French: would be *jetaison like pendaison); possibly from a Vulgar Latin *iectātiō, from *iectātus < iectāre, from Latin iactō. Doublet of jetsam.
Across languages
Translations
78 source translations are retained for this English entry.
Chinese Mandarin:
拋棄 /抛弃
(pāoqì)
— collectively, items that have been or are about to be ejected from a boat or balloon
Danish:
ballast
— collectively, items that have been or are about to be ejected from a boat or balloon
Dutch:
ballast
— collectively, items that have been or are about to be ejected from a boat or balloon
Finnish:
painolasti
— collectively, items that have been or are about to be ejected from a boat or balloon
French:
lest
— collectively, items that have been or are about to be ejected from a boat or balloon
Georgian:
გემიდან ტვირთის გადაყრა
(gemidan ṭvirtis gadaq̇ra)
— collectively, items that have been or are about to be ejected from a boat or balloon
Georgian:
გემიდან ტვირთის მოშორება
(gemidan ṭvirtis mošoreba)
— collectively, items that have been or are about to be ejected from a boat or balloon
German:
Ballast
— collectively, items that have been or are about to be ejected from a boat or balloon
Hungarian:
ballaszt
— collectively, items that have been or are about to be ejected from a boat or balloon
Polish:
balast
— collectively, items that have been or are about to be ejected from a boat or balloon
Portuguese:
lastro
— collectively, items that have been or are about to be ejected from a boat or balloon
Russian:
балла́ст
(ballást)
— collectively, items that have been or are about to be ejected from a boat or balloon
Tagalog:
taponlulan
— collectively, items that have been or are about to be ejected from a boat or balloon
Danish:
losning
— the action of jettisoning items
Dutch:
prijsgeven
— the action of jettisoning items
Dutch:
opgeven
— the action of jettisoning items
Dutch:
overboordgooien
— the action of jettisoning items
French:
délestage
— the action of jettisoning items
French:
largage
— the action of jettisoning items
Georgian:
გადაყრა
(gadaq̇ra)
— the action of jettisoning items
German:
Abwerfen
— the action of jettisoning items
Hebrew:
הֲטָלָה לַיָּם
(hatala layam)
— the action of jettisoning items
Norwegian:
hive
— the action of jettisoning items
Polish:
wyrzucenie
— the action of jettisoning items
Polish:
zrzut
— the action of jettisoning items
Russian:
сброс
(sbros)
— the action of jettisoning items
Russian:
выбра́сывание
(vybrásyvanije)
— the action of jettisoning items
Czech:
odhodit
— to eject from a boat
Danish:
losse
— to eject from a boat
Danish:
kaste over bord
— to eject from a boat
Danish:
smide over bord
— to eject from a boat
Dutch:
lozen
— to eject from a boat
Dutch:
overboord werpen
— to eject from a boat
Finnish:
heittää yli laidan
— to eject from a boat
French:
délester
— to eject from a boat
French:
larguer
— to eject from a boat
French:
jeter par-dessus bord
— to eject from a boat
German:
über Bord werfen
— to eject from a boat
German:
Ballast abwerfen
— to eject from a boat
German:
abwerfen
— to eject from a boat
Hebrew:
הֵטִיל לַיָּם
(hetil layam)
— to eject from a boat
Hungarian:
kidob
— to eject from a boat
Hungarian:
kihajít
— to eject from a boat
Italian:
gettare in mare
— to eject from a boat
Norwegian Bokmål:
kaste overbord
— to eject from a boat
Norwegian Bokmål:
kaste på sjøen
— to eject from a boat
Polish:
wyrzucać za burtę
— to eject from a boat
Polish:
wyrzucić za burtę
— to eject from a boat
Portuguese:
deslastrar
— to eject from a boat
Russian:
сбра́сывать
(sbrásyvatʹ)
— to eject from a boat
Russian:
сбро́сить
(sbrósitʹ)
— to eject from a boat
Spanish:
echar del
— to eject from a boat
Tagalog:
taponlulanin
— to eject from a boat
Czech:
zbavit se
— to let go or get rid of
Czech:
odhodit
— to let go or get rid of
Czech:
upustit
— to let go or get rid of
Czech:
opustit
— to let go or get rid of
Czech:
zanechat
— to let go or get rid of
Dutch:
van de hand doen
— to let go or get rid of
Dutch:
achterlaten
— to let go or get rid of
French:
se débarrasser
— to let go or get rid of
French:
abandonner
— to let go or get rid of
French:
balancer
— to let go or get rid of
German:
loswerden
— to let go or get rid of
Hungarian:
megszabadul
— to let go or get rid of
Hungarian:
sutba dob
— to let go or get rid of
Italian:
gettare
— to let go or get rid of
Italian:
buttare
— to let go or get rid of
Italian:
espellere
— to let go or get rid of
Māori:
ākiri
— to let go or get rid of
Norwegian Bokmål:
kvitte seg med
— to let go or get rid of
Norwegian Bokmål:
kaste
— to let go or get rid of
Polish:
wyrzucać za burtę
— to let go or get rid of
Polish:
wyrzucić za burtę
— to let go or get rid of
Portuguese:
jogar fora
— to let go or get rid of
Portuguese:
livrar-se de
— to let go or get rid of
Russian:
выбра́сывать
(vybrásyvatʹ)
— to let go or get rid of
Russian:
вы́бросить
(výbrositʹ)
— to let go or get rid of