Definition

1. Adverb:

   • In the direction of the length of something; parallel to the longest side or dimension. This describes an action performed along the long axis of an object.

2. Adjective:

   • Running or extending in the direction of the length of a thing. This describes the orientation of an object or dimension itself.

Usage Examples

• Adverb:
  • He cut the paper lengthwise to create two long strips.
  • Fold the fabric lengthwise before placing it in the drawer.
• Adjective:
  • The lengthwise dimension of the table is six feet.
  • Make a lengthwise incision along the fish's belly.

Advanced Usage

• "to split something lengthwise": to divide something along its long axis.
  • The recipe instructs you to split the vanilla bean lengthwise to scrape out the seeds.
• "to orient something lengthwise": to position something so its longest side is aligned in a particular direction.
  • The logs were oriented lengthwise along the riverbank.

Variants and Related Words

• Lengthways (adverb/adjective): A less common variant with identical meaning to "lengthwise".
  • She sliced the cucumber lengthways.
• Longitudinal (adjective): Often used in technical or scientific contexts to describe something running lengthwise.
  • The study examined longitudinal data over ten years. (Note: This can also refer to data collected over time, not just physical orientation.)

Synonyms

• Longitudinally (adverb): In a lengthwise direction.
• Endwise (adverb, in specific contexts): With the end forward or in the direction of the length. (Note: This can also imply movement the end, not just the length.)

Antonyms

• Crosswise (adverb/adjective): In the direction of the width; across the length.
  • Cut the carrot crosswise to make rounds.
• Widthwise (adverb/adjective): In the direction of the width.

Adjective

1. running or extending in the direction of the length of a thing
   • the lengthwise dimension

Adverb

1. in the direction of the length
   • He cut the paper lengthwise