WordReference Random House Unabridged Dictionary of American English © 2025
na•tion•al•ist 
(nash′ə nl ist, nash′nə list),USA pronunciation n. 
adj.
 na′tion•al•is′ti•cal•ly, adv. 
WordReference Random House Learner's Dictionary of American English © 2025- a person devoted to nationalism.
 - Government(cap.) a member of a political group advocating or fighting for national independence, a strong national government, etc.
 
adj.
- Also, na′tion•al•is′tic. of, pertaining to, or promoting nationalism:the beginnings of a nationalist movement.
 - Government(cap.) of, pertaining to, or noting a political group advocating or fighting for national independence, a strong national government, etc.
 
- national + -ist 1705–15
 
na•tion•al•ism /ˈnæʃənəlˌɪzəm, ˈnæʃnəˌlɪz-/USA pronunciation  
n. [uncountable]
na•tion•al•is•tic, adj. See -nat-.
WordReference Random House Unabridged Dictionary of American English © 2025- Governmentdevotion and loyalty to one's own nation;
patriotism. - Governmentthe desire for national independence.
 
na•tion•al•is•tic, adj. See -nat-.
na•tion•al•ism 
(nash′ə nl iz′əm, nash′nə liz′-),USA pronunciation n. 
            - Governmentnational spirit or aspirations.
 - Governmentdevotion and loyalty to one's own nation;
patriotism. - Governmentexcessive patriotism;
chauvinism. - Governmentthe desire for national advancement or independence.
 - Governmentthe policy or doctrine of asserting the interests of one's own nation, viewed as separate from the interests of other nations or the common interests of all nations.
 - an idiom or trait peculiar to a nation.
 - a movement, as in the arts, based upon the folk idioms, history, aspirations, etc., of a nation.
 
- national + -ism 1830–40
 
'nationalist' also found in these entries (note: many are not synonyms or translations):
Abbas
 - Abdelkader
 - African National Congress
 - Barrès
 - Bose
 - Casement
 - Chetnik
 - China
 - Chinese Revolution
 - Cunninghame Graham
 - D'Annunzio
 - Delany
 - Emmet
 - Gandhi
 - Griffith
 - Healy
 - Hu Han-min
 - India
 - Irish Republican Army
 - Itúrbide
 - Lewis
 - Markiewicz
 - Mazzini
 - Menon
 - Miranda
 - N, n
 - Nana Sahib
 - Nanjing
 - National Liberation Front
 - Nationalist China
 - Nehru
 - Nkomo
 - O'Connell
 - O'Connor
 - Palmerston
 - Pamyat
 - Pathet Lao
 - Pearse
 - Piłsudski
 - Plaid Cymru
 - Qu Qiu Bai
 - Redmond
 - Rizal
 - Salmond
 - Tilak
 - Tone
 - Wafd
 - Wergeland
 - Young Turk
 - Zaghlul