nationwidely

English

Etymology

From nationwide +‎ -ly. Attested since the 20th century.

Adverb

nationwidely (not comparable)

1. (nonstandard, very rare error) Misconstruction of nationwide (“across a nation”)
   • 2018 May 9, K. Tohyama, “Present status and perspective of laboratory hematology in Japan: On the standardization of blood cell morphology including myelodysplasia: On behalf of the Japanese Society for Laboratory Hematology”, in International Journal of Lab Hematology, volume 40, number S1, →DOI, pages 120-125:

     JSLH has also approved the grading system for diagnostic accuracy of MDS and adopted this standardized diagnostic system to the educational item for certification of the laboratory hematology specialists, aiming at a nationwidely expanding morphological evaluation of myelodysplasia.

Usage notes

• Generally an error made by non-native speakers.