Dictionary.net

• in-kon-sek'[=u]-tiv, adj. not succeeding in regular order.--n. INCONSEC'UTIVENESS.

1908 - Chambers's Twentieth Century Dictionary of the English Language
By Thomas Davidson

• Wanting in sequence, inconsequent. Hence inconsecutively adv., inconsecutiveness n.

1919 - The concise Oxford dictionary of current English
By Sir Augustus Henry