seamless

American  

[seem-lis] / ˈsim lɪs /

adjective

1. having no seams.

   seamless stockings.

2. smoothly continuous or uniform in quality; combined in an inconspicuous way.

   a seamless blend of art and entertainment.

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seamless British  

/ ˈsiːmlɪs /

adjective

1. (of a garment) having no seams

2. continuous or flowing

   seamless output

   a seamless performance

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Usage

What does seamless mean? Seamless describes a garment or something similar as having no seams. A seam is a line of stitches that join two pieces of cloth, leather, or the like, such as you might see at the bottom of a pant leg. A garment without seams, such as a pair of stockings, is seamless. Figuratively, something that is seamless is smooth or continuous, such as a conversation that flows back and forth between people with no one talking over others. A transition from one school to another in which you don’t encounter any problems and immediately feel comfortable at the new school could be described as a seamless transition. Example: The transition from scene to scene was seamless.

Other Word Forms

• seamlessly adverb
• seamlessness noun

Etymology

Origin of seamless

First recorded in 1475–85; seam + -less

Explanation

Something seamless could literally be a piece of clothing without seams, but it's usually something else that's smooth or unbroken, like a seamless transition. Seamless things are connected so well that you can't see what's holding them together. They're flowing, consistent, and well-put-together. If an employee leaves, and the replacement does a great job immediately, that's a seamless transition. In basketball, if a team goes from offense to defense without missing a beat, that's seamless play. And that underwear that seems to be made out of one piece of material? Seamless. And super comfortable.

Example Sentences

The co-host’s return to the job was seamless.

From Los Angeles Times • Apr. 6, 2026

Such seamless technologies teach us that repair and understanding is not our role and that such proficiency and knowledge is unnecessary.

From Slate • Apr. 4, 2026

“The light-filled residence was designed for seamless indoor-outdoor living, featuring a spectacular open floor plan,” the description goes on.

From MarketWatch • Mar. 30, 2026

While requiring a series of documentation and formal approvals, the process was not "seamless, but it was certainly doable", he said.

From Barron's • Mar. 10, 2026

It helped to break down global regionalism, created a more seamless global commercial network, and made it simple and almost free to move digitized labor—service jobs and knowledge work—to lower-cost countries.

From "The World Is Flat" by Thomas L. Friedman

Related Words

• logical
• smooth