rub out
Học thuậtThân thiện
The teacher asks the student to rub out the incorrect formula on the blackboard.
Definition
- Verb (transitive):
- To remove something by rubbing, wiping, or erasing it, often leaving no trace.
- To obliterate or eliminate something, as if by erasing it.
Usage
- The primary use of "rub out" is to describe the physical act of removing a mark, writing, or stain by applying friction.
- It can also be used figuratively to mean eliminating or destroying something so it ceases to exist.
Examples
- Literal (Physical Removal):
- He used an eraser to rub out the pencil marks.
- The spilled wine was hard to rub out of the white tablecloth.
- Figurative (Elimination):
- The new policy aims to rub out corruption in the department.
- Time has rubbed out the details of that memory.
Advanced Usage
- "to rub out a mistake": to correct an error by erasing it.
- She carefully rubbed out the mistake in her notebook.
- "to rub out all traces": to remove every sign or piece of evidence.
- The criminals tried to rub out all traces of their presence.
Variants and Related Words
- Eraser (n): A tool, like a piece of rubber, used for rubbing out pencil marks.
- Efface (v): To erase or wipe out; a more formal synonym.
- Expunge (v): To strike or blot out completely; a formal synonym often used in legal or official contexts.
- Obliterate (v): To destroy completely; to wipe out.
Synonyms
- Erase
- Wipe out
- Delete
- Remove
- Expunge
- Efface
Related Phrasal Verbs
- Rub off: To be removed or transferred by rubbing.
- The gold plating on the ring is starting to rub off.
- Rub away: To remove or wear something down through persistent rubbing.
- The inscription on the old tombstone has been rubbed away by time.
Related Idioms
- (Slang, dated) "Rub someone out": To murder or kill someone. (Note: This is an informal, potentially offensive slang usage.)
- In old gangster films, the mob boss would order his enemies to be rubbed out.
The teacher asks the student to rub out the incorrect formula on the blackboard.
Verb
- remove by or as if by rubbing or erasing
- Please erase the formula on the blackboard--it is wrong!