Definition of Is
Quick Meaning of Is
The word used with 'he', 'she', 'it', or a singular noun to show that someone or something exists or has qualities.
Detailed Definition of Is
Third person singular present form of 'be'; connects the subject to a noun or adjective that describes it.
How to Pronounce Is
Stress pattern: o (1-syllable word).
Tip: Pronounced /ɪz/ (sounds like 'iz'). When stressed: /ɪˈzɪz/ in contrasts.
Watch out: Usually pronounced correctly, but sometimes compressed as 'z' sound in fast speech.
Origin and Etymology of Is
From Old English 'is', part of the verb 'be', one of the oldest verbs in English.
How to Use Is in a Sentence
Each example shows “is” with a CEFR level so learners can pick examples that match their fluency.
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“She is a teacher at the school.”
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“It is very cold outside today.”
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“The capital of France is Paris.”
Synonyms and Antonyms of Is
Common Synonyms for Is
Smart Synonyms for Is — When to Use Each
- appears
- when describing how someone or something looks
- seems
- when expressing opinion about someone or something
- equals
- when showing that two things are the same
Antonyms of Is
Common Collocations with Is
These phrases pair with “is” in everyday English:
- it is
- is a
- is not
- is very
- is about
Common Mistakes When Using Is
Even fluent speakers slip up with “is”. Here’s how to avoid the most common errors:
- ✗ Wrong: He are a doctor.
- ✓ Correct: He is a doctor.
- Why: Third person singular subjects use 'is', not 'are'. Are is for you/we/they.
- ✗ Wrong: The dogs is playing in the park.
- ✓ Correct: The dogs are playing in the park.
- Why: Plural subjects need 'are'; use 'is' only with singular nouns and he/she/it.
Words Confused With Is
Other Forms of Is
Frequently Asked Questions About Is
What is the meaning of "Is"?
The word used with 'he', 'she', 'it', or a singular noun to show that someone or something exists or has qualities.
How do you pronounce "Is"?
The IPA is /ɪz/. Pronounced /ɪz/ (sounds like 'iz'). When stressed: /ɪˈzɪz/ in contrasts.
What part of speech is "Is"?
"Is" is a verb at A1 level (Common European Framework).
What are synonyms for "Is"?
Common synonyms include equals, appears, seems.
How do you use "Is" in a sentence?
For example: "She is a teacher at the school."