risky

Thesaurus: synonyms, antonyms, and examples

able to harm you
dangerousIt's dangerous to walk alone in the woods at night.
unsafeDon't play in the street - it's unsafe.
hazardousHeavy rain is causing hazardous driving conditions.
perilousA perilous journey through the mountains was their only escape route.
treacherousIce had made the roads treacherous.
Tests found that the substance was not hazardous.
Emergency eye and body wash stations should be provided where hazardous chemicals are used.
Many of the remains are contaminated with hazardous materials such as mercury and arsenic.
They were trained to deal with emergencies such as floods, earthquakes and hazardous spills.

SMART Vocabulary: related words and phrases

Dangers and threats
balefully
baneful
banefully
black spot
hang
hang over something
hazard
hazardously
hazmat
on/under pain of deathidiom
or elseidiom
parlous
parlously
peril
someone's bark is worse than his/her biteidiom
tombstoning
treacherously
triple threat
ultra-hazardous
venturesome

hazardous | Business English

hazardous
adjective
uk /ˈhæzədəs/us
dangerous and involving risk, especially to someone's health:
hazardous industries/materials/substances

Examples of hazardous

hazardous
Some bacteria undertake the task of keeping valuable information that is costly to maintain and can be hazardous for the bacteria to store.
Four sectors to be covered are: food and agriculture, medical and healthcare, service robots, and hazardous environments.
Due to war, persecution, or hazardous flights, many refugees have experienced traumatic events with major losses, including loss of community and culture.
We evaluated the face validity of the proportions of nonhazardous, hazardous, and harmful drinkers using data from a test sample.
The latter may seem somewhat specialized, but is important because hydraulic actuators are critical components of robotic devices that enter hazardous environments.
Wild annuals are typically found in less competitive (often disturbed), resource-rich, hazardous or changing environments.
The classifications yielded unexpectedly high numbers of harmful and hazardous drinkers.
Traditionally, autonomous robots are designed to operate as independently and remotely as possible from humans, often performing tasks in hazardous and hostile environments.
Living in the intellectual space between orthodoxy and heterodoxy, colonizing the margins of erudition was a difficult and hazardous place to inhabit.
It turned into an indescribably comic and constantly interrupted performance, since the fire police constantly found new potentially hazardous things.
This is a hazardous-duty robot that can climb stairs at a 45 angle and make 180 turns.
The overwhelming majority of studies reported significantly better results with active intervention against hazardous alcohol consumption.
The model is generic and also may be applicable to other hazardous substances, to epidemic control, and to socially undesirable activities such as crime.
The indicators cover deforestation, pesticide usage, overfishing, hazardous wastes, non-hazardous inorganic wastes, non-hazardous organic wastes, greenhouse gases, and urban air pollution.
In a disarming operation, it is hazardous for an operator to approach the robot and switch the end effector by hand.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.