1. unhoped for, unlooked for , [variant datesTragica Adespota, etc.; τὸ ἀνέλπιστον τοῦ βεβαίου the hopelessness of security, (Thucydides)

2. active,

3. of persons, having no hope, hopeless , (Theocritus Poeta Bucolicus); with infinitive having no hope or not expecting that . (Thucydides)

4. of things or conditions, leaving no hope, hopeless, desperate , (Sophocles Tragicus); τὸ ἀνέλπιστον despair , (Thucydides):—;comparative -ότερος more desperate , (Thucydides) (ML)