risklessadj.

1822 W. Scott Halidon Hill i. ii. 57 To hope Plantagenet would seek close combat When he can conquer riskless, is to deem Sagacious Edward simpler than a babe In battle-knowledge.

1865 Pall Mall Gaz. 17 June 5 An invention which,..wherever it has been used, has rendered ascent and descent riskless.

1893 Pall Mall Mag. 2 14 The descent,..though not riskless, was no great feat.

1920 H. Wiley Wildcat (1922) xx. 215 One day, no longer able to endure a riskless career he took a piece of chalk and numbered the six blades of the electric fan which whirled above the Senator's desk.

1956 Times 19 Sept. 13/7 A natural reaction after long years when only subjects congenial to fascism, or politically riskless ‘white telephone’ type films, could be made.

2002 Daily Tel. 8 Apr. 21/2 That confidence makes them believe that mortgage lending is an almost entirely riskless way to lend money.