Glossary from the free online textbook Doing Economics by Eileen Tipoe and Ralf Becker. Fifty short definitions of terms relating to the analysis of economic data.
Glossaries of Economic Terms in Applied Economics
Glossary from the free online textbook Economy, Society and Public Policy, which uses policy issues to motivate basic concepts in economics. Short definitions of around 350 terms from economics, but also from statistics and policy.
Economics and business dictionary from The Guardian, with bias towards business and finance but covering main economics concepts (e.g. Deflation, Keynesian economics, Retail price index) and institutional terms (e.g. Agenda 21, Federal Reserve Board, Nikkei 225). Basic, single-paragraph definitions.