ἀκυρόω

A. cancel, set aside, ψήφισμα, δόγμα, Din. 1.63, D.S. 16.24; ὀφειλήματα SIG 742.30 (Pass., Ephesus), cf. Str. 8.4.10 (Pass., D.H. 2.72, BGU 1053 ii 14 (i B. C.).
2. set at naught, treat as of no effect, LXX<*>Es. 6.32; λόγον θεοῦ Ev.Matt. 15.6, cf. J. AJ 18.8.8.
b. reject, deny the validity of, Phld. Sign. 30.
3. metaph., render powerless, τῷ λογισμῷ τὸν τῶν παθῶν οἶστρον LXX 4 Ma. 2.3.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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