Treinar

Treinar is a Portuguese verb that means to train, to practice, or to educate through repetition and instruction. It is used across contexts such as physical exercise, skill development, or preparing someone or something for a task. In contemporary usage, it is also common in the field of data science and machine learning to describe the process of fitting a model to data.

Usages of treinar span several domains. In sports and fitness, it denotes regular practice to improve performance or conditioning. In professional settings, to train employees or teams involves instruction and practice to develop competencies. In education, it can refer to teaching techniques or familiarizing someone with procedures. In technology, treinar a model means adjusting its parameters so it learns patterns from data. It can also denote training animals or people in behavioral tasks.

Conjugation and forms follow the regular pattern of -ar verbs. In the present indicative, the forms include eu treino, você treina, ele treina, nós treinamos, eles treinam. The pretérito perfeito includes eu treinei, você treinou, ele treinou, nós treinamos, eles treinaram. Other tenses and subjunctive forms follow standard -ar conjugation rules, with variations between regional varieties.

Treinar is linked to the noun treino (practice session) and to treino/treinamento as related concepts. Dialectal differences exist between Brazilian Portuguese and European Portuguese, particularly in informal usage and preferred terms, but the core meaning remains consistent.

Examples: Ela treina todos os dias para a competição. O time precisa treinar novas estratégias. A empresa anunciou um programa para treinar funcionários. Para aprender máquina, é comum treinar modelos com dados por meio de técnicas de aprendizado de máquina.