Seamless means so smoothly joined that no break can be seen. A seamless transition, seamless integration, seamless service.
It is now the most overworked word in business writing, where every handover is promised as seamless. The literal sense is real and technical: seamless pipe is drawn from a single billet with no welded join.
1adjectiveseamlessSo smoothly joined that no break can be seen.
“The dancers' movements flowed together in one seamless performance.”
seamless is a quality.
Old English seamleas is seam plus -less.
Old English
*sēamlēas
Middle English
seemles
English, today
seamless
From Middle English seemles, semeles, semles, Old English sēamlēas, equivalent to seam + -less. Cognate with Norwegian Bokmål sømløs (“seamless”), Swedish sömlös (“seamless”).
Etymology from Wiktionary, CC BY-SA