1. Pertaining to America, especially the United States.

2. A native of America, more especially of the United States.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• amerrican,
• affrican,
• amirica,
• amarikan,
• amercican,
• amerioca,
• amarican,
• amerian,
• americn,
• ameroican,
• ameriocan,
• amercain,
• ameracan,
• armerican,
• amercian,
• amaerica,
• amaericans,
• americal,
• amaricas,
• amerivan

• american-led,
• Americaine,
• swiss-american,
• Anti-American,
• Paleo-American,
• dominican-american,
• romanian-american,
• soviet-american,
• all-American,
• amoristic,
• americanism,
• italian-american,
• cuban-american,
• african-american-owned,
• americanize,
• mid-american,
• american-backed,
• american-owned,
• french-american,
• native-american,
• americaone,
• austrian-american,
• asian-american,
• american-english,
• ibero-american,
• american-israeli,
• american-islamic,
• finnish-american,
• franco-american,
• pro-American,
• japanese-american,
• american-soviet,
• middle-american,
• hispanic-american,
• polish-american,
• pre-American,
• armenian-american,
• american-arab,
• norwegian-american,
• americana,
• iranian-american,
• american-made,
• american-born,
• american-bred,
• russian-american,
• vietnamese-american,
• german-american,
• canadian/american,
• lebanese-american,
• korean-american,
• amharic,
• american-european,
• American-Canadian,
• south-american,
• australian-american,
• us-american,
• muslim-american,
• dutch-american,
• amercement,
• amerce,
• latin-american,
• american-built,
• greek-american,
• serbian-american,
• american-british,
• scottish-american,
• american-trained,
• americanise,
• european-american,
• anglo-american,
• afro-american,
• spanish-american,
• pakistani-american,
• american-flag,
• american-style,
• Amerson,
• irish-american,
• euro-american,
• sino-american,
• americium,
• america,
• americain,
• british-american,
• non-american,
• israeli-american,
• danish-american,
• indian-american,
• haitian-american,
• english-american,
• americano,
• chinese-american,
• belgian-american,
• jewish-american,
• british/american,
• palestinian-american,
• arab-american,
• czech-american,
• inter-american,
• hungarian-american,
• canadian-american,
• journal-american,
• un-american,
• amerciable,
• mexican-american,
• african-american,
• post-american,
• filipino-american,
• american-produced,
• Pan-American,
• american-educated.

The adjective form of the word "American" is also "American".

The plural of the "american" can be the "Americans".

The singular of the "american" can be the "american".