1. a slender and greatly elongated substance capable of being spun into yarn

Similar word(s): fibre

Definition categories: substance, material, stuff

2. coarse, indigestible plant food low in nutrients; its bulk stimulates intestinal peristalsis

Similar word(s): roughage

Definition categories: food, foodstuff

3. any of several elongated, threadlike cells (especially a muscle fiber or a nerve fiber)

Similar word(s): fibre

Definition categories: body, cell

4. the inherent complex of attributes that determines a persons moral and ethical actions and reactions

Similar word(s): character, fibre

Definition categories: attribute, trait

5. a leatherlike material made by compressing layers of paper or cloth

Similar word(s): fibre

Definition categories: man–made, cloth, fabric, material, textile

Sentences with fiber as a noun:

- The microscope showed a single blue fiber stuck to the sole of the shoe.

- The cloth is made from strange, somewhat rough fiber.

- Please use polyester fiber for this shirt.

- Fresh vegetables are a good source of fiber

- The ordeal was a test of everyone's fiber.

- Under this map, any two values in the fiber of a given point on the circle differ by 2π