a. Obs. [UN-1 7.] Unprofitable; of no avail.
a. 1340. Hampole, Psalter cxxviii. 4. When þei seme vnspedful in all þat þei did here.
c. 1374. Chaucer, Boeth., V. pr. vi. (1868), 178. Prayeres, þat ne mowen nat ben vnspedful whan þei ben ryȝtful.
c. 1440. Jacobs Well, 184. Ȝif þis handy! be wrong, it is vnspedefull to werke wyth.
1482. Monk of Evesham (Arb.), 29. Thy contynual prayer may not be onspedeful before the presens and goodnes of god.
1570. Levins, Manip., 186. Vnspeedful, inexpeditus.