Spindly (adjective)

1. Thin, slender, and weak-looking.
2. Long and thin in proportion to its height, especially in a way that appears unstable.

Origin:

Derived from the noun spindle.

Examples:

1. The sapling had a spindly trunk and delicate branches.
2. The legs of the chair were spindly and wobbled when I sat in it.
3. Her arms were spindly, with visibly visible veins.
4. The spindly legs of the lamp made it look like it would tip over easily.
5. The tall, spindly cactus swayed in the wind.