Verb / Noun A2–B2 /treɪn/

Train — Definition, Examples & Pronunciation

To teach skills through practice; to exercise; a railway vehicle — one word, many uses.

Quick Definition

Train (verb) — to develop a skill or ability in a person or animal through repeated practice and instruction; to exercise the body systematically towards a goal.

Train (noun) — a railway vehicle consisting of a locomotive and connected carriages; also, any connected series of things (a train of thought, the train of a dress).

What Does Train Mean?

Train is one of the most versatile words in everyday English, functioning equally comfortably as a verb and a noun. As a verb, it sits at the intersection of education and physical discipline — you can train a dog to sit, train an employee to use new software, or train your body for a half-marathon. As a noun, it conjures the quintessential British image of a steam locomotive pulling carriages along iron rails, though its figurative uses (a train of events, a train of thought) are just as common in formal and academic writing.

Both senses share the same etymological root: the idea of drawing or pulling something along a structured path. When you train someone, you guide them steadily along a course towards competence; when you board a train, you travel along a literal guided path of rails.

Because train covers two distinct word classes, learners need to pay close attention to context. The surrounding grammar almost always signals which meaning is intended: a train followed by a direct object or infinitive is a verb; a train preceded by an article or adjective is a noun.

Etymology: From Old French trainer ("to drag, draw along"), from Vulgar Latin *traginare, derived from Latin trahere ("to pull, draw"). The railway sense emerged in the 1820s with the first steam-hauled lines in Britain. Related English words sharing the same Latin root include traction, attract, extract, tract, and trail.

Example Sentences

SentenceLevel & usage note
We took the train to London. A2 — train as noun, basic travel context
He trains at the gym three times a week. B1 — train as intransitive verb, exercise sense
The company trained its new staff on data-protection rules before they started work. B1 — train + object + prepositional phrase, workplace context
She trained herself to think in English rather than translating from her first language. B2 — reflexive use, deliberate habit formation
The minister's remarks set off a train of events that ultimately led to her resignation. C1 — idiomatic noun phrase "train of events", formal register

Collocations

CollocationExample
catch the trainWe had to run to catch the train.
miss the trainHe overslept and missed his train.
take the trainIt's quicker to take the train than to drive.
train hardThe squad trained hard in the final weeks before the competition.
train forShe is training for her first marathon.
train asHe trained as a nurse before moving into management.
train staff / employeesThe HR team spent a week training new employees.
high-speed trainThe high-speed train cut the journey time by half.
train of thoughtThe phone call broke my train of thought completely.
well-trainedA well-trained team responds calmly under pressure.

Usage Notes

Train vs. teach: Use teach for conveying knowledge, concepts, or academic subjects ("teach grammar", "teach history"). Use train when the emphasis is on developing a practical skill or conditioned behaviour through guided repetition ("train a pilot", "train for a race"). You teach someone why; you train someone how.

Train vs. coach: Coach is more focused on one-to-one guidance and performance improvement, often in sport or professional development. Train can refer to individual or group instruction and is used more broadly across professional, athletic, and animal-behaviour contexts.

Word family: trainer (person who trains others), trainee (person being trained), training (the process/programme), trained (adjective: well-trained, untrained), retraining (developing new skills after redundancy or career change).

Common Mistakes

Watch Out For

She trained herself of thinking in English.

She trained herself to think in English. (train + object + infinitive, not gerund with "of")

I am training since January and feel much stronger.

I have been training since January and feel much stronger. (ongoing action from a past point requires present perfect continuous)

We need to train the employees about the new policy.

We need to train the employees in / on the new policy. (train takes in or on, not about)

Related Words

trainer trainee training well-trained untrained retraining teach coach practise exercise

Practise This Word

Flash Cards Complete the Sentence Vocabulary Quiz Hangman

Frequently Asked Questions about “train”

What does the word train mean in English?
Train has two main meanings. As a verb, it means to teach skills through practice and instruction, or to exercise the body for a sporting goal: 'She trained for six months before the marathon.' As a noun, it refers to a railway vehicle — a series of carriages pulled by a locomotive — or more broadly to any connected series of things, such as 'a train of thought'.
What is the difference between train and teach?
Both mean to pass on knowledge, but they differ in emphasis. Teach is broader and covers the transfer of knowledge, ideas, and concepts (teach history, teach grammar). Train focuses on developing a practical skill or conditioned behaviour through repeated practice (train soldiers, train a dog, train for a race). You teach someone why; you train someone how.
How do you use train as a verb?
Train as a verb is followed by an object and usually an infinitive or a prepositional phrase: 'They trained the staff to use the new system.' It can also be used reflexively ('She trained herself to wake up early') or intransitively ('He trains every morning'). The preposition 'for' introduces the goal: 'training for the Olympics'.
What are common collocations with train?
Common verb collocations include: catch a train, miss a train, take the train, board a train, get off the train. Common adjective collocations include: express train, freight train, commuter train, high-speed train. As a verb: train hard, train regularly, train staff, train for a marathon, train as a nurse.
What is the past tense of train?
Train is a regular verb. The past simple and past participle are both trained: 'She trained at the academy for two years.' 'He has trained dozens of athletes.' The present participle is training: 'They are training for the competition.'
What is a train of thought?
A train of thought is an idiom meaning a connected sequence of ideas in someone's mind. If you say 'You interrupted my train of thought', you mean that the interruption broke the mental chain of ideas you were following. It comes from the noun sense of train as a series of connected things.
What is the difference between train and practise?
Train and practise both involve repetition, but training implies a structured programme with a goal (often physical or professional), whereas practise refers to repeating a specific activity to improve at it. A musician practises scales; an athlete trains for a race. You can practise as part of training, but not all practice is training.
Can train be used as a noun for something other than a railway?
Yes. Train as a noun can refer to a series of connected things: 'a train of events' (a sequence of events), 'a train of thought' (a line of thinking), or 'the train of a dress' (the long trailing part at the back of a formal gown). These uses all share the core idea of a connected, following series.
What is the origin of the word train?
Train comes from Old French 'trainer' (to drag, to pull) and ultimately from Latin 'trahere' (to draw or pull). The railway sense developed in the 1820s when steam locomotives first pulled connected carriages. The verb sense of developing skills also derives from the idea of drawing out or guiding — the same root gives us 'traction', 'extract', and 'attract'.
How can I practise using the word train in English?
Try LexFizz's Complete the Sentence exercise to practise train in different grammatical patterns, or use Flash Cards to drill the word family (train, trainer, trainee, training, trained). Writing your own sentences — one with train as a verb and one with it as a noun — is an especially effective way to fix both meanings in memory.