English dictionary, thesaurus, translations & etymology
FreeDict.com
verb

derail

duh-RAY-uhl

Derail (verb) means to come off, or cause something to come off, its railway tracks. Example: “The freight train derailed just outside the station.”

verb
1
To come off, or cause something to come off, its railway tracks.
"The freight train derailed just outside the station."
2
To disrupt or throw a plan, process, or conversation off course.
"One awkward question derailed the entire interview."
"Bad publicity threatened to derail the merger."

How to use derail

Learner’s notes

In plain EnglishLiterally, to leave the tracks; figuratively, to knock a plan or discussion off course.

Common pairings
derail talks derail a plan derail the conversation

Word forms

derailed past tense, derails plural, derails singular

Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “derail” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

The freight train _____ just outside the station.

Etymology

From French derailler, "to go off the rails," from de- + rail.

Origin: French

Related words

Rhymes for derail

See all rhymes for derail →

Frequently asked questions

What does “derail” mean?

The word “derail” means to come off, or cause something to come off, its railway tracks. In plain terms, literally, to leave the tracks; figuratively, to knock a plan or discussion off course.

How do you pronounce “derail”?

“Derail” is pronounced duh-RAY-uhl (/ˌdəˈɹeɪ.əl/ in IPA).

How do you use “derail” in a sentence?

Here is “derail” used in a sentence: “The freight train derailed just outside the station.”

What is another word for “derail”?

Words with a similar meaning to “derail” include unrail.

What part of speech is “derail”?

“Derail” is a verb.

Where does the word “derail” come from?

The word “derail” comes from French. From French derailler, "to go off the rails," from de- + rail.

How many meanings does “derail” have?

“Derail” has 2 distinct senses listed in this dictionary. The most common is: to come off, or cause something to come off, its railway tracks.

People also searched

Definitions: FreeDict original editorial