The Explanatory Dictionary of the Estonian Language 
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Eesti keele seletav sõnaraamat EKSS 2009
The biggest dictionary of the Estonian language, which covers Estonian standard language as a whole, including spoken language and special languages.
Langemets, Margit; Tiits, Mai; Valdre, Tiia; Veskis, Leidi; Viks, Ülle; Voll, Piret (2009). Eesti keele seletav sõnaraamat [The Explanatory Dictionary of the Estonian Language]. Eesti Keele Sihtasutus.
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