A conceptual dictionary (also ideographic or ideological dictionary) is a dictionary that groups words by concept or semantic relation instead of arranging them in alphabetical order. Examples of conceptual dictionaries are picture dictionaries, thesauri, and visual dictionaries. Onelook.com and Diccionario Ideológico de la Lengua Española (for Spanish)  are specific online and print examples.
- ^ Casares Sánchez, Julio (ed.), Diccionario Ideológico de la Lengua Española, Editorial Gustavo Gili, Barcelona, 1943.
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