General synonyms:
* Extended
* Prolonged
* Stretched
* Lengthened
* Drawn out
* Slender
* Narrow
* Tapered
* Linear
More specific synonyms:
* Oblong: Refers to a shape that is longer than it is wide.
* Rectangular: Refers to a shape with four right angles and opposite sides of equal length.
* Cylindrical: Refers to a shape with a circular cross-section.
* Spindly: Refers to something that is thin and long.
Figurative synonyms:
* Exaggerated: This word can be used to describe something that has been made longer than it should be.
* Distorted: This word implies that the shape has been altered in a way that makes it seem unnatural.
The best synonym to use will depend on the specific context of your sentence and the desired nuance.