rangy

Slender and long of limb; lanky.

For an accountant, Robert had a rangy appearance.

Her African violets weren't getting enough sun and became rangy.

Prone to roaming around.

rangy cattle

Having or permitting range or scope; roomy; commodious.

Requiring a large vocal range; having a great difference from the highest to the lowest notes.

The Star Spangled Banner has been criticized as too rangy for many people to sing along to comfortably.