What does "crust" mean?
A more solid, dense or hard layer on a surface or boundary.
Crust
/kɹʌst/ noun, verb, slang
noun, verb, slang ·Common ·High school level
Meaning at a glance
- Primary sense: A more solid, dense or hard layer on a surface or boundary.
- Grammar: crust is listed as noun, verb, slang.
- Nearest alternatives: acres, alluvion, alluvium, arable land.
- Useful contrasts: solid core, earth's core, center.
- Usage evidence: Under Europa's icy crust might be an ocean of water.
How to use "crust"
- Start with the primary definition, then check the part of speech before placing the word in a sentence.
- Compare nearby synonyms to make sure "crust" carries the exact meaning, tone, and strength you need.
- Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.
Meaning check
- Does the word fit the sentence's grammar?
- Does it match the intended tone rather than only the dictionary definition?
- Would a simpler synonym be clearer for the reader?
- Is there enough surrounding context to prevent ambiguity?
Source and review context
This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "crust" in a final draft.
If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.
Before you rely on this definition
Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "crust" as the right word for your sentence.
If your draft is formal, technical, persuasive, or sensitive, compare "crust" with a nearby alternative so the final choice matches both meaning and reader expectation.
Compare nearby meanings
- Use synonyms when you need a softer, stronger, simpler, or more specific word.
- Use antonyms to check the boundary of the meaning and avoid accidental contrast.
- Use the example sentence to confirm the word behaves naturally in context.
- Keep the original wording when a replacement adds complexity without improving precision.
Definition decision workflow
1. Identify the role
Check whether "crust" is acting as noun, verb, slang in your sentence. A definition is only useful when the grammar matches the way the word is being used.
2. Test the nearest option
Compare it with "acres" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.
3. Confirm with context
Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.
Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.
Final meaning check
Before publishing a sentence with "crust", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.
When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.
Definitions
Noun
- 1 A more solid, dense or hard layer on a surface or boundary. countable, uncountable
- 2 the trait of being rude and impertinent; inclined to take liberties wordnet
- 3 The external, hardened layer of certain foodstuffs, including most types of bread, fried meat, etc. countable, uncountable
- 4 the outer layer of the Earth wordnet
- 5 An outer layer composed of pastry countable, uncountable
"Th' impenetrable crust thy teeth defies."
Show 10 more definitions
- 6 a hard outer layer that covers something wordnet
- 7 The bread-like base of a pizza. countable, uncountable
- 8 A slice of bread cut from the end of a loaf; the heel. Australia, British, Canada, Ireland, New-Zealand, Northern-US, countable, uncountable
- 9 The outermost layer of the lithosphere of the Earth. countable, uncountable
"Holonyms: lithosphere < Earth"
- 10 The outermost layer of the lithosphere of any terrestrial planet. broadly, countable, uncountable
"Holonyms: lithosphere < planet"
- 11 The shell of crabs, lobsters, etc. countable, uncountable
- 12 A living. Australia, British, countable, informal, uncountable
"to earn one's crust"
- 13 Nerve, gall. informal, uncountable
"You've got a lot of crust standing there saying that."
- 14 The head. Australia, UK, countable, dated, slang, uncountable
"“Well, all I can say is that if yer don't take yer dial outer the road I'll bloomin' well take an' bounce a gibber off yer crust.”"
- 15 Ellipsis of crust punk, a subgenre of punk music. abbreviation, alt-of, countable, ellipsis, uncountable
Verb
- 1 To cover with a crust. transitive
"The whole body is crusted over with ice."
- 2 form a crust or form into a crust wordnet
- 3 To form a crust. intransitive
", The Goblin Reign Boxed Set Thistle held her hand over the wound and pressed a wad of tree moss against it. "Don't move," she said. "Let it crust.""
Synonyms
All synonymsExample
"Under Europa's icy crust might be an ocean of water."
Common questions
What is a synonym for "crust"?
Common synonyms include: acres, alluvion, alluvium, arable land, black bread, border.
How do you use "crust" in a sentence?
Under Europa's icy crust might be an ocean of water.
How do you pronounce "crust"?
Pronounced /kɹʌst/.
Etymology
From Middle English cruste, from Anglo-Norman and Old French cruste, from Latin crusta (“hard outer covering”), from Proto-Indo-European *krustós (“hardened”), from *krews- (“to form a crust, begin to freeze”), related to Old Norse hroðr (“scurf”), Old English hruse (“earth”), Old High German hrosa (“crust, ice”), Latvian kruvesis (“frozen mud”), Ancient Greek κρύος (krúos, “frost, icy cold”), κρύσταλλος (krústallos, “crystal, ice”), Avestan 𐬑𐬭𐬎𐬰𐬛𐬭𐬀- (xruzdra-, “hard”), Sanskrit क्रूड् (krūḍ, “thicken, make hard”).