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Spell Bee Word: sustainable


Basic Details

Word: Sustainable

Part of Speech: Adjective

Meaning: Able to continue for a long time without harming the environment or using up what it needs.

Synonyms: renewable, lasting, eco-friendly

Antonyms: unsustainable, wasteful

How to Spell Sustainable

Syllables: sus - tain - a - ble

Tricky part: Sustain keeps its ai, and the ending is able, not ible. Students drop the i or write sustainible.

Watch out for: sustanable, sustainible, sustainabel

Memory tip: If something is able to be sustained, it is sustainable: sustain + able.

Usage Examples

Example 1: Solar power is a sustainable source of energy.

Example 2: Our village switched to sustainable farming without chemical sprays.

Example 3: Using cloth bags instead of plastic is a sustainable habit.

Fun Fact

The United Nations agreed on 17 Sustainable Development Goals in 2015, covering issues such as clean water, hunger and climate.

Practise the CREST Way

Word Makeup

Choose the suffix that completes the word:

sustain____

a) able
b) ible
c) abel
d) eble

Show answer

a) able. Sustain is a complete word, and complete words usually take able, as in remarkable.

Mingle-Mangle

Form a meaningful word from the jumbled letters:

binsaulates

a) sustainable
b) sustenance
c) attainable
d) unsuitable

Show answer

a) sustainable. With one t, two s's and only one u in the jumble, just one of these words works.

Spell-o-Spell

Choose the incorrectly spelt word:

a) biodegradable
b) sustanable
c) conservation
d) environment

Show answer

b) sustanable. The ai of sustain has to stay; this spelling has lost the i.

Multiple Choice Questions

1. A family wants to water its plants in a sustainable way. What should it do?

a) collect rainwater in a tank
b) use bottled drinking water
c) water the plants at noon every hour
d) leave the tap running all day

Show answer

a) collect rainwater in a tank

2. Sustainable is made from the verb ____.

a) stain
b) sustenance
c) sustain
d) suspend

Show answer

c) sustain

Associated Words

distinguishauralstatisticsphobiarespective
fadeknobmediocrethoughtfuluntangle

Next steps

How to participate in CREST International Spell Bee

The CREST International Spell Bee (CSB) is conducted in two editions – CREST International Spell Bee - Summer (CSB) and CREST International Spell Bee - Winter (CSBW) – giving students across the globe an opportunity to showcase and enhance their spelling proficiency. Designed for young learners from Senior KG to Class 8, the competition focuses on word-building, pronunciation, and vocabulary enrichment, helping students develop strong linguistic skills.

Steps to Participate:

Step 1: Visit the registration page and complete the registration with your desired subject.

Step 2: After Registration done, do login at www.crestolympiads.com/login.

Step 3: After login, go to dashboard and click on Book slot/Take Exam

Step 4: Schedule your exam date and preferred time.

Step 5: Log in with your credentials on the exam day at the scheduled time and take the exam.

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