Definition of Plain
Quick Meaning of Plain
Without decoration or pattern; simple and easy to understand or see.
Detailed Definition of Plain
Simple, not decorated or patterned; easy to see or understand.
How to Pronounce Plain
Stress pattern: O (1-syllable word).
Tip: Rhymes with rain, pain, main. One syllable with the long 'ay' sound.
Watch out: Some learners confuse the pronunciation with 'plane'.
Origin and Etymology of Plain
From Old French plain, meaning flat or level ground.
How to Use Plain in a Sentence
Each example shows “plain” with a CEFR level so learners can pick examples that match their fluency.
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“She wore a plain white shirt to the interview.”
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“The truth is plain: we need to work harder.”
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“The plain design of the furniture makes the room look spacious.”
Synonyms and Antonyms of Plain
Common Synonyms for Plain
Smart Synonyms for Plain — When to Use Each
- simple
- basic without extra details or decoration
- clear
- easy to understand without confusion or complications
- basic
- fundamental, containing only essentials
Antonyms of Plain
Common Collocations with Plain
These phrases pair with “plain” in everyday English:
- plain clothes
- plain English
- plain white
- make plain
- plain sight
Common Mistakes When Using Plain
Even fluent speakers slip up with “plain”. Here’s how to avoid the most common errors:
- ✗ Wrong: The building was very plain decorated.
- ✓ Correct: The building was very plainly decorated.
- Why: Use adverb 'plainly' with 'decorated', not adjective 'plain'.
- ✗ Wrong: She explained the plain.
- ✓ Correct: She made it plain (clear).
- Why: 'Plain' alone doesn't work; use 'made it plain' meaning clarified.
Words Confused With Plain
- Plain vs Plane: plain = simple; plane = flat surface or aircraft Compare →
Other Forms of Plain
Frequently Asked Questions About Plain
What is the meaning of "Plain"?
Without decoration or pattern; simple and easy to understand or see.
How do you pronounce "Plain"?
The IPA is /pleɪn/. Rhymes with rain, pain, main. One syllable with the long 'ay' sound.
What part of speech is "Plain"?
"Plain" is an adjective at A2 level (Common European Framework).
What are synonyms for "Plain"?
Common synonyms include simple, basic, undecorated.
How do you use "Plain" in a sentence?
For example: "She wore a plain white shirt to the interview."