a way of expressing something (in language or art or music etc.) that is characteristic of a particular person or group of people or period
"all the reporters were expected to adopt the style of the newspaper"
(botany) the narrow elongated part of the pistil between the ovary and the stigma
"The botanist pointed out that a long style connects the swollen ovary at the base to the sticky stigma at the tip."
editorial directions to be followed in spelling and punctuation and capitalization and typographical display
"The editor reminded the staff that our publication style requires all acronyms to be capitalized on first mention."
Senses relating to a thin, pointed object.
"The surgeon carefully selected a surgical stylet to gently guide the needle into the patient's vein."
A sharp stick used for writing on clay tablets or other surfaces; a stylus; (by extension, obsolete) an instrument used to write with ink; a pen.
"The scribe carefully sharpened his reed style before inscribing the royal decree onto the wet clay tablet."
In plain English: Style is the unique way someone chooses to dress, act, or express themselves.
"She chose a red dress to match her personal style."
Usage: Use this archaic sense of "style" only when discussing historical tools like the Roman writer's stylus, as it is largely obsolete in modern English. Avoid confusing it with contemporary words for pens or pencils unless explicitly writing about antiquity.
To design, fashion, make, or arrange in a certain way or form (style)
"The interior designer skillfully styled the living room to create a cozy atmosphere."
In plain English: To style something means to arrange its appearance so it looks good.
"She decided to style her hair for the party."
The word "style" entered English from the Old French estile, originally referring to a writing tool like a stylus. Over time, its meaning expanded in Middle English to describe not just the instrument but also the quality of written work and eventually a person's distinctive manner or way of life.