caulk - Master This Word
Master this word with our 5-step learning method – Learn English in English
caulk Word Meanings
- To fill cracks or seams to make waterproof or airtight.
- A material used for sealing joints or seams.
- To seal something off.
caulk Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
caulk Phonetic & Pronunciation
UK
/kɔːk/
US
/kɔk/
caulk Word Etymology
Root: caulk (Middle English 'calke', from Old French 'calquer'). Historical Origin: From Latin 'calcare' meaning 'to tread' through Old French to Middle English. Memory Image: Imagine a craftsman carefully applying a sealant, ensuring every crack is filled, inviting you to picture a perfectly sealed boat that won't let a drop of water in.
Note 1: These definitions and etymologies are not standard dictionary definitions, but extended explanations provided to help with memorization and understanding of the actual application of words. Through this background information, we strive to make words more vivid and easier to understand, and help you remember their meanings in real life.
Note 2: LexiTalk designs the learning flow around the linguistics principle of “Comprehensible Input.” When learners encounter material that is slightly above their level but still understandable from context, the brain naturally absorbs the language. That’s why we keep every word inside authentic contexts, using examples and associations to help you understand it and use it flexibly.
Read the FAQ explanation of Comprehensible InputReal Context
Caulk is a flexible sealant used to fill cracks and joints to keep water, air, and sound from passing through. As a verb, to caulk means applying this sealant along seams, gaps, or around windows, doors, bathtubs, or pipes. As a noun, caulk refers to the material itself—usually a tube, a cartridge, or a paste made from silicone, acrylic, or polyurethane. In construction you caulk a window frame to stop drafts, or caulk a bathtub to prevent leaks. The term comes from Middle English calke, via Old French calquer; modern caulk often relies on synthetic polymers. Think of sealing a boat hull or a cracked wall to imagine a perfectly watertight joint.
Usage Reminders
- Remember the noun vs verb forms; keep surfaces clean and dry; choose interior vs exterior caulk; tools help—use a caulk gun and a smoothing tool; allow proper cure time before exposure to moisture
Common Misconceptions
- Caulk is the same as tape or glue
- All caulk is waterproof in every condition
- You can skip surface cleaning before applying caulk
- Caulk cannot be painted over
- Once cured, caulk lasts forever
Thinking Differences
Caulk exists as both a noun and a verb in English, so learners must memorize forms and recall when applying a product vs naming the material; many confuse caulk with generic sealants or with tape, and may misuse interior vs exterior types.
Learning Tips
- Pair the verb and noun senses with example sentences
- Compare caulk types (silicone, acrylic, polyurethane) by their properties
- Practice smoothing technique for neat seams
- Learn interior vs exterior contexts and surfaces
- Remember cure time and cleaning before application
- Review common mistakes by checking gloss/paintability
5-Step Learning Method - Learn English in English
Step 1: Meaning
What is the definition of 'caulk'?
A.To run a marathon
B.To cook a dish
C.To fill gaps or seal joints
D.To draw a picture
Step 2: Usage
Which sentence uses 'caulk' correctly?
A.I need to caulk the windows to prevent drafts.
B.He decided to caulk the cake before serving.
C.She caulked the email to her friend with pictures.
D.They caulked in the park every Sunday.
Step 3: Similar Words
Which word is most similar to 'caulk'?
A.Seal
B.Cook
C.Paint
D.Rough
Step 4: Opposite Words
What is the opposite of 'caulk'?
A.Cover
B.Expose
C.Fill
D.Attach
Step 5: Mastery
Can you think of a real-life context where one would use 'caulk'?
A.Fixing a broken toy.
B.Planning a dinner party for friends.
C.Sealing the edges of a bathtub to avoid leaks.
D.Painting a new room in the house.
Related Listening
🌱 Lite (Beginner)
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