What does hazardous mean?
Word: Hazardous
Part of Speech: Adjective
Meaning: Hazardous means likely to cause harm or damage, so it needs to be handled or done with great care.
Synonyms: dangerous
How do you spell hazardous?
Syllables: haz - ard - ous
Tricky part: The middle vowel is an a, as in the noun hazard, but it is so weak in speech that students often write hazerdous.
Watch out for: hazerdous, hazurdous
Memory tip: A hazard can put you in a hard spot, and hazard and hard share the same ar.
Hazardous in a sentence
Example 1: The wet marble floor near the pool was hazardous until the cleaners dried it.
Example 2: Thick winter fog makes driving on the highway hazardous.
Example 3: Old batteries count as hazardous waste and go into a separate bin at our school.
Fun Fact
The word haphazard, meaning done without any order or plan, has the word hazard tucked inside it.
Practise the CREST Way
Word Makeup
Choose the suffix that completes the word:
hazard____
a) ious
b) eous
c) us
d) ous
Show answer
d) ous. Like famous and nervous, this adjective takes the plain three-letter ending, with no extra vowel in front.
Word Connection
Choose the antonym of the word:
hazardous
a) safe
b) toxic
c) risky
d) perilous
Show answer
a) safe. Risky, toxic and perilous all warn of harm; safe is the one that means no harm at all.
Mingle-Mangle
Form a meaningful word from the jumbled letters:
dhrauzsoa
a) hazardous
b) arduous
c) harmonious
d) haziness
Show answer
a) hazardous. A z, a d and an r must all be used; only one option holds all three in nine letters.
Spell-o-Spell
Choose the correctly spelt word:
a) wierd
b) enviroment
c) begining
d) hazardous
Show answer
d) hazardous. Environment has an n before the m, weird puts the e before the i, and beginning doubles its n before ing.
Multiple Choice Questions
1. A sign at a building site reads 'Hazardous area'. What should visitors do?
a) take extra care
b) remove their shoes
c) speak more softly
d) buy a ticket first
Show answer
a) take extra care
2. Which road would be the most hazardous for cyclists?
a) a wide empty lane
b) an icy hill road
c) a quiet park path
d) a dry school track
Show answer
b) an icy hill road
