hazardous

Adjective

UK: /ˈhæz.ə.dəs/

US: /ˈhæz.ɚ.dəs/


Definition: Something that is dangerous or poses a risk.

Example Sentence: The chemicals in the laboratory were classified as hazardous and required careful handling.


Here are more sentence structures demonstrating when, where, and how to use the vocabulary word "hazardous":

1️⃣When describing dangerous situations:


☑️Example: Driving in heavy rain subj. can be hazardous due to the reduced visibility and slippery roads. Pre.

  • Subject: "Driving in heavy rain"
    • "Driving" (verb acting as a noun, gerund)
    • "in" (preposition)
    • "heavy" (adjective)
    • "rain" (noun)
  • Predicate: "can be hazardous due to the reduced visibility and slippery roads"
    • "can be" (modal verb + verb)
    • "hazardous" (adjective)
    • "due to" (prepositional phrase)
    • "the" (definite article)
    • "reduced" (adjective)
    • "visibility" (noun)
    • "and" (conjunction)
    • "slippery" (adjective)
    • "roads" (noun)

☑️Example: Itsubj. is hazardous to walk alone in an unfamiliar, poorly lit area at night.Pre.

  • Subject: "It"
    • "It" (pronoun)
  • Predicate: "is hazardous to walk alone in an unfamiliar, poorly lit area at night"
    • "is" (verb)
    • "hazardous" (adjective)
    • "to walk" (infinitive verb phrase)
    • "alone" (adverb)
    • "in" (preposition)
    • "an" (indefinite article)
    • "unfamiliar" (adjective)
    • "poorly lit" (adjective phrase)
    • "area" (noun)
    • "at night" (prepositional phrase)
    • "at" (preposition)
    • "night" (noun)


    • 2️⃣When discussing safety protocols:



    ☑️Example: All employeessubj. must wear protective gear when working with hazardous materials to ensure their safety.Pre.

  • Subject: "All employees"
    • "All" (determiner)
    • "employees" (noun)
  • Predicate: "must wear protective gear when working with hazardous materials to ensure their safety"
    • "must wear" (modal verb + verb)
    • "protective" (adjective)
    • "gear" (noun)
    • "when working with hazardous materials" (adverbial clause)
      • "when" (conjunction)
      • "working" (verb acting as a noun, gerund)
      • "with" (preposition)
      • "hazardous" (adjective)
      • "materials" (noun)
    • "to ensure their safety" (infinitive phrase)
      • "to" (preposition)
      • "ensure" (verb)
      • "their" (possessive pronoun)
      • "safety" (noun)

    • ☑️Example: The companysubj. implemented strict guidelines to handle hazardous waste properly.Pre.


  • Subject: "The company"
    • "The" (definite article)
    • "company" (noun)
  • Predicate: "implemented strict guidelines to handle hazardous waste properly"
    • "implemented" (verb)
    • "strict" (adjective)
    • "guidelines" (noun)
    • "to handle hazardous waste properly" (infinitive phrase)
      • "to" (preposition)
      • "handle" (verb)
      • "hazardous" (adjective)
      • "waste" (noun)
      • "properly" (adverb)

    • 3️⃣When highlighting environmental dangers:


    ☑️Example: The oil spillsubj. posed a hazardous threat to the marine ecosystem, affecting many species.Pre.

  • Subject: "The oil spill"
    • "The" (definite article)
    • "oil spill" (compound noun)
  • Predicate: "posed a hazardous threat to the marine ecosystem, affecting many species"
    • "posed" (verb)
    • "a" (indefinite article)
    • "hazardous" (adjective)
    • "threat" (noun)
    • "to" (preposition)
    • "the" (definite article)
    • "marine" (adjective)
    • "ecosystem" (noun)
    • "affecting" (verb acting as a participle)
    • "many" (adjective)
    • "species" (noun)


    • ☑️ Example:Air pollution subj.can have hazardous effects on people's health, especially those with respiratory issues.Pre.


  • Subject: "Air pollution"
    • "Air" (noun)
    • "pollution" (noun)
  • Predicate: "can have hazardous effects on people's health, especially those with respiratory issues"
    • "can have" (modal verb + verb)
    • "hazardous" (adjective)
    • "effects" (noun)
    • "on" (preposition)
    • "people's" (possessive noun)
    • "health" (noun)
    • "especially" (adverb)
    • "those" (pronoun)
    • "with" (preposition)
    • "respiratory" (adjective)
    • "issues" (noun)


    • 4️⃣When explaining potential risks in various settings:



    ☑️Example: The old, unstable bridgesubj.is considered hazardous and has been closed to traffic.Pre.

  • Subject: "The old, unstable bridge"
    • "The" (definite article)
    • "old" (adjective)
    • "unstable" (adjective)
    • "bridge" (noun)
  • Predicate: "is considered hazardous and has been closed to traffic"
    • "is considered" (verb phrase: "is" + past participle "considered")
    • "hazardous" (adjective)
    • "and" (conjunction)
    • "has been closed" (verb phrase: "has been" + past participle "closed")
    • "to traffic" (prepositional phrase)
      • "to" (preposition)
      • "traffic" (noun)

    • ☑️Example: Leaving electrical appliances plugged in near water sourcessubj. can be extremely hazardous.Pre.

  • Subject: "Leaving electrical appliances plugged in near water sources"
    • "Leaving" (noun/gerund)
    • "electrical" (adjective)
    • "appliances" (noun)
    • "plugged in" (verb phrase, past participle acting as an adjective)
    • "near" (preposition)
    • "water" (adjective)
    • "sources" (noun)
  • Predicate: "can be extremely hazardous"
    • "can be" (modal verb + verb)
    • "extremely" (adverb)
    • "hazardous" (adjective)

    • 5️⃣When giving advice or warnings:


    ☑️Example: Itsubj.is hazardous to mix certain household cleaning products, as they can release toxic fumes.Pre.

    Sentence: "It is hazardous to mix certain household cleaning products, as they can release toxic fumes."
    • Subject: "It"
      • "It" (pronoun)
    • Predicate: "is hazardous to mix certain household cleaning products, as they can release toxic fumes"
      • "is" (verb)
      • "hazardous" (adjective)
      • "to mix" (infinitive verb phrase)
        • "to" (preposition)
        • "mix" (verb)
      • "certain" (adjective)
      • "household cleaning products" (noun phrase)
        • "household" (adjective)
        • "cleaning" (adjective/participle)
        • "products" (noun)
      • "as they can release toxic fumes" (dependent clause)
        • "as" (conjunction)
        • "they" (pronoun)
        • "can release" (modal verb + verb)
        • "toxic" (adjective)
        • "fumes" (noun)

    ☑️Example: Hiking in extreme weather conditionssubj.can be hazardous, so it's best to check the forecast before planning your trip.Pre.

  • Subject: "Hiking in extreme weather conditions"
    • "Hiking" (noun/gerund)
    • "in" (preposition)
    • "extreme" (adjective)
    • "weather" (noun)
    • "conditions" (noun)
  • Predicate: "can be hazardous, so it's best to check the forecast before planning your trip"
    • "can be" (modal verb + verb)
    • "hazardous" (adjective)
    • "so" (conjunction)
    • "it's best" (verb phrase: "it" + "is" + adjective)
      • "it" (pronoun)
      • "is" (verb)
      • "best" (adjective)
    • "to check the forecast before planning your trip" (infinitive phrase)
      • "to" (preposition)
      • "check" (verb)
      • "the" (definite article)
      • "forecast" (noun)
      • "before planning your trip" (prepositional phrase)
        • "before" (conjunction)
        • "planning" (verb acting as a gerund)
        • "your" (possessive pronoun)
        • "trip" (noun)

    • Synonyms & Similar Words

    dangerous perilous risky serious unsafe precarious treacherous menacing venturesome grave grievous random parlous harmful alarming detrimental jeopardizing peril deadly uncertain lethal injurious hazardous dicey disquieting chancy distressing haphazard murderous malignant noxious pernicious nasty evil malevolent hurtful killer baleful sinister wicked mortal imminent fateful deadly
    Antonyms & Near Antonyms
    safe harmless nonhazardous innocuous beneficial innocent nonmenacing nonthreatening good advantageous ultrasafe