スタイル

すたいる
noun
style; figure
1. style, manner
A distinctive manner or way of doing something.
I like her fashion style.
自分(じぶん)スタイル大切(たいせつ)している
I value my own style.
I felt that the Japanese lifestyle is quite different from other countries.
2. figure, physique
A person's body shape, especially when considered attractive.
She has a nice figure.
スタイルがいい = to have a good figure
I admire a model-like figure.
Refers to body shape
Thanks to jogging every day, I've been able to maintain my figure.
スタイルを保つ = to maintain one's figure

スタイル is a loanword from English "style" but has developed an additional meaning in Japanese that does not exist in English.

SENSE 1 — STYLE/MANNER:

Refers to a distinctive way of doing something or a personal aesthetic. Often used in compound words.

SENSE 2 — BODY FIGURE:

Refers to a person's body proportions, especially when considered attractive. This meaning is unique to Japanese.

NOTE FOR LEARNERS:
When Japanese speakers say スタイルいい, they mean "has a nice figure" — not "has good fashion sense." This false-friend usage catches many English speakers off guard.