Definition of Keel
Quick Meaning of Keel
The flat bottom part of a ship that keeps it stable in water
Detailed Definition of Keel
The longitudinal structure running along the bottom of a ship's hull, providing stability; to overturn or capsize (verb form)
How to Pronounce Keel
Stress pattern: o (1-syllable word).
Tip: Pronounced /kiːl/ with long 'ee' sound
Watch out: Check IPA: /kiːl/
Origin and Etymology of Keel
From Old Norse 'kjölr' meaning ship's keel. Related to Germanic languages. Used in nautical English since Middle Ages.
How to Use Keel in a Sentence
Each example shows “keel” with a CEFR level so learners can pick examples that match their fluency.
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“The ship's keel was damaged when it hit the rocky coast.”
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“A sailboat's keel extends below the hull for stability.”
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“The keel of the vessel was reinforced with steel plating.”
Synonyms and Antonyms of Keel
Common Synonyms for Keel
Smart Synonyms for Keel — When to Use Each
- hull
- Outer body of a ship structure
- foundation
- Bottom structural support element
Common Collocations with Keel
These phrases pair with “keel” in everyday English:
- ship's keel
- keel over
- damage the keel
- keel haul
- even keel
Common Mistakes When Using Keel
Even fluent speakers slip up with “keel”. Here’s how to avoid the most common errors:
- ✗ Wrong: The boat keeled on the bottom of the water
- ✓ Correct: The boat's keel is at the bottom of the water
- Why: Keel is a noun (structure), not a verb describing position
- ✗ Wrong: The keel have been damaged
- ✓ Correct: The keel has been damaged
- Why: Keel is singular; use 'has' not 'have'
- ✗ Wrong: A ship needs a keel for to stay stable
- ✓ Correct: A ship needs a keel to stay stable
- Why: Use infinitive 'to stay' not 'for to stay'
Other Forms of Keel
Frequently Asked Questions About Keel
What is the meaning of "Keel"?
The flat bottom part of a ship that keeps it stable in water
How do you pronounce "Keel"?
The IPA is /kiːl/. Pronounced /kiːl/ with long 'ee' sound
What part of speech is "Keel"?
"Keel" is a noun at C1 level (Common European Framework).
What are synonyms for "Keel"?
Common synonyms include bottom, base, hull.
How do you use "Keel" in a sentence?
For example: "The ship's keel was damaged when it hit the rocky coast."