hazardous - 'Hazardous' is technical and regulatory, hazardous materials, hazardous conditions. It implies measurable risk and official warning.
lethal - 'Lethal' means capable of killing. It strips away ambiguity, the danger isn't injury or inconvenience but death.
perilous - 'Perilous' is literary and dramatic, a perilous journey, a perilous situation. The stakes are life-altering and the outcome uncertain.
risky - 'Risky' implies a calculated gamble, the danger is known and you might choose to face it anyway. Less severe than 'dangerous.'
treacherous - 'Treacherous' adds betrayal to danger, a treacherous path looks safe but isn't. The threat is hidden.

Related word relations

OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.

8 relation types

Antonyms

2 entries

safe

Synonyms

5 entries

hazardous life threatening perilous risky unsafe

Related terms

6 entries

danger dangerously endanger harmful threatening treacherous

derived

10 entries

Dangerous Corner a little knowledge is a dangerous thing a little learning is a dangerous thing armed and dangerous dangerosity dangerous goods dangerousness nondangerous semidangerous undangerous

derived from

1 entries

danger

is a

1 entries

making assumptions

related to

5 entries

danger dangerously illness insecure vulnerable

similar

34 entries

breakneck chanceful chancy critical desperate dicey dodgy hazardous insecure insidious mordacious

Showing 16 of 34 words.

Translations

155 translations across 100 languages.

Afar

1 entries

um adj (full of danger)

Afrikaans

1 entries

gevaarlik adj (full of danger)

Albanian

1 entries

i rrezikshëm adj (full of danger)

Amharic

1 entries

አደገኛ adj (full of danger)

Ancient Greek

1 entries

ἐπικίνδυνος adj (full of danger)

Arabic

2 entries

خطير adj (full of danger)
خَطِر adj (full of danger)

Armenian

1 entries

վտանգավոր adj (full of danger)

Assyrian Neo-Aramaic

2 entries

ܩܲܢܝܼܛܵܐ adj (full of danger)
ܩܹܘܲܢܕܹܝܢܘܿܣܵܝܵܐ adj (full of danger)

Asturian

1 entries

peligrosu adj (full of danger)

Azerbaijani

1 entries

təhlükəli adj (full of danger)

Basque

1 entries

arriskutsu adj (full of danger)

Belarusian

1 entries

небяспе́чны adj (full of danger)

Breton

1 entries

dañjerus adj (full of danger)

Bulgarian

2 entries

опа́сен adj (full of danger)
риско́ван adj (full of danger)

Catalan

2 entries

perillós adj (full of danger)
perillós adj (causing danger, ready to do harm or injury)

Cherokee

2 entries

ᎦᎾᏰᎩ adj (full of danger)
ᎦᏂᏰᎬ adj (full of danger)

Chinese

1 entries

危險 /危险 adj (full of danger)

Chinese Cantonese

1 entries

危險 /危险 adj (full of danger)

Chinese Mandarin

1 entries

危險 /危险 adj (full of danger)

Czech

1 entries

nebezpečný adj (full of danger)

Danish

1 entries

farlig adj (full of danger)

Dutch

3 entries

gevaarlijk adj (full of danger)
gevaarlijk adj (causing danger, ready to do harm or injury)
gevaarlijke adj (full of danger)

Elfdalian

1 entries

farlin adj (full of danger)

Esperanto

1 entries

danĝera adj (full of danger)

Estonian

1 entries

ohtlik adj (full of danger)

Faroese

2 entries

hættisligur adj (full of danger)
vandamikil adj (full of danger)

Finnish

1 entries

vaarallinen adj (full of danger)

French

4 entries

dangereux adj (full of danger)
dangereux adj (causing danger, ready to do harm or injury)
périculeux adj (full of danger)
périlleux adj (full of danger)

Friulian

1 entries

periculôs adj (full of danger)

Galician

1 entries

perigoso adj (full of danger)

Georgian

2 entries

საშიში adj (full of danger)
სახიფათო adj (full of danger)

German

2 entries

gefährlich adj (full of danger)
gefährlich adj (causing danger, ready to do harm or injury)

Greek

1 entries

επικίνδυνος adj (full of danger)

Greenlandic

2 entries

navianartoq adj (full of danger)
ulorianartoq adj (full of danger)

Gujarati

2 entries

જોખમકારક adj (full of danger)
ભયંકર adj (full of danger)

Haitian Creole

1 entries

danjere adj (full of danger)

Hawaiian

2 entries

makaʻuloa adj (full of danger)
weliweli ʻia adj (full of danger)

Hebrew

1 entries

מסוכן \ מְסֻכָּן adj (full of danger)

Hindi

2 entries

ख़तरनाक adj (full of danger)
जोखिमी adj (full of danger)

Hungarian

1 entries

veszélyes adj (full of danger)

Icelandic

1 entries

hættulegur adj (full of danger)

Ido

1 entries

danjeroza adj (full of danger)

Igbo

1 entries

ịhe n'adighị mma adj (full of danger)

Indonesian

3 entries

bahaya adj (full of danger)
berbahaya adj (full of danger)
membahayakan adj (causing danger, ready to do harm or injury)

Ingrian

2 entries

opasnoi adj (full of danger)
opasnoi adj (causing danger, ready to do harm or injury)

Interlingua

1 entries

periculose adj (full of danger)

Irish

2 entries

contúirteach adj (full of danger)
dáinséarach adj (full of danger)

Italian

3 entries

nocivo adj (causing danger, ready to do harm or injury)
pericoloso adj (full of danger)
pericoloso adj (causing danger, ready to do harm or injury)

Japanese

2 entries

危ない adj (full of danger)
危険 adj (full of danger)

Javanese

1 entries

mbebayani adj (full of danger)

Jeju

1 entries

위염ᄒᆞ다 adj (full of danger)

Khmer

1 entries

មានគ្រោះថ្នាក់ adj (full of danger)

Korean

1 entries

위험하다 adj (full of danger)

Ladino

4 entries

danjerozo adj (full of danger)
peligrozo adj (full of danger)
perikolozo adj (full of danger)
rizikozo adj (full of danger)

Lao

1 entries

ມີອັນຕະລາຍ adj (full of danger)

Latin

3 entries

nocivus adj (causing danger, ready to do harm or injury)
periculosus adj (causing danger, ready to do harm or injury)
perīculōsus adj (full of danger)

Latvian

1 entries

bīstams adj (full of danger)

Lithuanian

1 entries

pavojingas adj (full of danger)

Luxembourgish

1 entries

geféierlech adj (full of danger)

Macedonian

1 entries

о́пасен adj (full of danger)

Malay

1 entries

berbahaya adj (full of danger)

Maltese

1 entries

perikolużi adj (full of danger)

Marathi

1 entries

घातक adj (full of danger)

Mirandese

1 entries

peligroso adj (full of danger)

Mongolian

1 entries

аюултай adj (full of danger)

Māori

2 entries

mōrearea adj (full of danger)
whakawhara adj (causing danger, ready to do harm or injury)

Norman

1 entries

dangéreux adj (full of danger)

Northern Sami

1 entries

váralaš adj (full of danger)

Norwegian Bokmål

2 entries

farefull adj (full of danger)
farlig adj (full of danger)

Norwegian Nynorsk

1 entries

farefull adj (full of danger)

Occitan

1 entries

dangeirós adj (full of danger)

Old English

1 entries

frēcne adj (full of danger)

Persian

1 entries

خطرناک adj (full of danger)

Plautdietsch

1 entries

roakboa adj (full of danger)

Polish

3 entries

groźny adj (full of danger)
groźny adj (causing danger, ready to do harm or injury)
niebezpieczny adj (full of danger)

Portuguese

3 entries

nocivo adj (causing danger, ready to do harm or injury)
perigoso adj (full of danger)
perigoso adj (causing danger, ready to do harm or injury)

Romanian

1 entries

periculos adj (full of danger)

Romansch

4 entries

prievlus adj (full of danger)
prigulus adj (full of danger)
privlous adj (full of danger)
privlus adj (full of danger)

Russian

2 entries

опа́сный adj (full of danger)
риско́ванный adj (full of danger)

Serbo-Croatian

2 entries

ȍpāsan adj (full of danger)
о̏па̄сан adj (full of danger)

Sicilian

3 entries

dannìuru adj (full of danger)
piriculusu adj (full of danger)
priculusu adj (full of danger)

Slovak

1 entries

nebezpečný adj (full of danger)

Slovene

1 entries

nevárən adj (full of danger)

Spanish

4 entries

brígido adj (full of danger)
brígido adj (causing danger, ready to do harm or injury)
fortunal adj (full of danger)
fortunal adj (causing danger, ready to do harm or injury)

Sumerian

1 entries

𒆗 adj (full of danger)

Swahili

1 entries

na hatari adj (causing danger, ready to do harm or injury)

Swedish

2 entries

farlig adj (full of danger)
farligt adj (full of danger)

Tagalog

2 entries

delikado adj (full of danger)
mapanganib adj (full of danger)

Telugu

1 entries

ప్రమాదకరమైన adj (full of danger)

Thai

1 entries

อันตราย adj (full of danger)

Turkish

1 entries

tehlikeli adj (full of danger)

Turkmen

1 entries

howply adj (full of danger)

Ukrainian

1 entries

небезпе́чний adj (full of danger)

Urdu

2 entries

جوکھمی adj (full of danger)
خطرناک adj (full of danger)

Uyghur

1 entries

خەتەرلىك adj (full of danger)

Vietnamese

1 entries

nguy hiểm adj (full of danger)

Walloon

2 entries

dandjreus adj (full of danger)
riskeus adj (full of danger)

Welsh

1 entries

peryglus adj (full of danger)

Yiddish

2 entries

געפֿערלעך adj (full of danger)
סכּנהדיק adj (full of danger)

Yoruba

1 entries

léwu adj (full of danger)

Sample sentences

15 total sentences available.

Tatoeba + Wiktionary

You're stepping into dangerous territory.

Source: tatoeba (16222)

It is dangerous for you to swim in this river.

Source: tatoeba (18032)

We think it is very dangerous that you're climbing the mountain alone.

Source: tatoeba (18066)

Dangerous driving should be punished.

Source: tatoeba (20701)

Showing 4 of 15 available sentences.

More for "dangerous"

Meaning Antonyms Sentences Word Type

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.