train
noun
a self-propelled, connected group of rolling stock.
trained
-
past participleof train.past participle
A verb form used in perfect and passive verb constructions and that can also function as a modifier.
-
past tense formof train.past tense
Used to describe completed actions or previous habitual actions.
trainnouna self-propelled, connected group of rolling stock.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A plot twist in the series premiere centers on Olivia discovering her former boss trained “Daisy,” an unauthorized AI companion chatbot created by S-Talk, by using her voice and personality without her knowledge or consent.
From Los Angeles Times ● Oct. 16, 2026
The latest episodes add to existing lawsuits AI companies face alleging chatbot harm and copyright violations when models are trained.
From The Wall Street Journal ● Oct. 16, 2026
"The men trained for months. We had to completely restructure our approach because previously we had been defending, and now we had to go on the offensive."
From BBC ● Oct. 16, 2026
The effort comes as civil rights groups pursue their own election-protection initiatives, including Vote Safe, which has begun deploying trained community volunteers to polling locations in several battleground states.
From Barron's ● Oct. 14, 2026
Seasoned professionals who were trained to navigate towering fires in the skyscrapers of Tokyo, they were nevertheless visibly shaken by the challenge of working close to the open reactor pools.
From "Meltdown" by Deirdre Langeland
