dangerous

A2 Topic:Safety & Risk

US /ˈdeɪn.d͡ʒ(ə.)ɹəs/ UK /ˈdeɪn.ʒ(ə.)ɹəs/ See IPA manual

Freq #822

Meanings

1

adj
Likely to cause harm, injury, or death.

Driving on icy roads can be very dangerous.
2

adj
Likely to threaten great harm; serious.

He was rushed to hospital in a dangerous condition.

Thesaurus

Synonyms

1 adj · likely to cause harm,... unsafe hazardous perilous risky

2 adj · likely to threaten great... grave serious severe

More dangersome jeopardous parlouspericulousprecarious wicked

Opposites

safe secure unhazardous

Word family

Derived forms dangerositydangerousnessnondangeroussemidangerousundangerous

Related forms danger dangerously endanger harmful threatening treacherous

Appears in

Phrases (2)

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Proverbs (3)

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Etymology

From Middle English dangerous (“difficult, severe, domineering, arrogant, fraught with danger”), daungerous, from Anglo-Norman [Term?], from Old French dangereus (“threatening, difficult”), from dangier. Equivalent to danger + -ous. Displaced native Old English frēcne.

dangerous Middle English dangereus Old French

View etymology graph ->

Topics

Safety & Risk

External links

# dangerous

**Type:** Word
**Level:** A2
**Part of speech:** adj
**IPA (US):** /ˈdeɪn.d͡ʒ(ə.)ɹəs/
**IPA (UK):** /ˈdeɪn.ʒ(ə.)ɹəs/
**Frequency rank:** 822

## Meanings
1. Likely to cause harm, injury, or death.
2. Likely to threaten great harm; serious.

## Examples
- Driving on icy roads can be very dangerous.
- He was rushed to hospital in a dangerous condition.

## Synonyms
- dangersome
- hazardous
- jeopardous
- parlous
- periculous
- perilous
- precarious
- risky
- unsafe
- wicked

## Antonyms
- safe
- secure
- unhazardous

## Derived Forms
- dangerosity
- dangerousness
- nondangerous
- semidangerous
- undangerous

## Related Forms
- danger
- dangerously
- endanger
- harmful
- threatening
- treacherous

## Roots and Affixes
- Root: dangerous
- Root: dangereus
- Affix: -ous - full of

## Etymology
From Middle English dangerous (“difficult, severe, domineering, arrogant, fraught with danger”), daungerous, from Anglo-Norman [Term?], from Old French dangereus (“threatening, difficult”), from dangier. Equivalent to danger + -ous. Displaced native Old English frēcne.

## AI Etymology
dangerous comes from Middle English dangerous (“difficult, severe, domineering, arrogant, fraught with danger”), daungerous, from Anglo-Norman an uncertain form, from Old French dangereus (“threatening, difficult”), from dangier. Equivalent to danger + -ous. Displaced native Old English frēcne. The historical chain includes Middle English dangerous, Old French dangereus. Current senses include Likely to cause harm, injury, or death and Likely to threaten great harm; serious. English relatives and later formations include dangerosity, dangerousness, nondangerous, danger, dangerously.

## Topics
- Safety & Risk

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