Definitions for nationwideˈneɪ ʃənˈwaɪd
Random House Webster's College Dictionary
extending throughout the nation.
occurring or extending throughout a country or nation
"the event aroused nationwide interest"; "a countrywide fund-raising campaign"
nationally, nationwide, across the nation, across the country(adverb)
extending throughout an entire nation
"nationally advertised"; "it was broadcast nationwide"
Kernerman English Learner's Dictionary
happening to or in all parts of a country
a nationwide drought/recession/problem etc.; prices rising nationwide
Affecting the whole of a nation.
There was a nationwide search on for the bankrobbers.