腰こし強づよ

na-adjective, noun

strong-backed; having a strong lower back

Literally describes a physically strong lower back or core; can also imply physical resilience.

• 彼かれは腰こし強づよで、重おもい荷に物もつも楽らくに持もち上あげる。

  He has a strong back and can lift heavy loads with ease.

na-adjective, noun

stubborn; persevering; tenacious

Figurative use: describes a person who is mentally tough, unyielding, or persistent, like having a strong 'backbone'.

• 彼かの女じょは腰こし強づよで、一いち度ど決きめたことは最さい後ごまでやり遂とげる。

  She is tenacious and sees through whatever she decides to do.

na-adjective, noun

viscous; elastic and sticky; chewy

Describes a texture that is thick, sticky, and stretchy, like mochi or certain doughs. This sense is less common and may be regional or specialized.

• この餅もちは腰こし強づよで、噛かみごたえがある。

  This mochi is chewy and has a satisfying texture.