safeliest

Adverb

safely (comparative more safely or (rare) safelier, superlative most safely or (rare) safeliest)

1. In a safe manner; without risk; using caution above all else.
   • With fresh material, taxonomic conclusions are leavened by recognition that the material examined reflects the site it occupied; a herbarium packet gives one only a small fraction of the data desirable for sound conclusions. Herbarium material does not, indeed, allow one to extrapolate safely: what...1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, page vii
2. In a secure manner; without the possibility of injury or harm resulting.
   • Edward Churchill still attended to his work in a hopeless mechanical manner like a sleep-walker who walks safely on a well-known round. But his Roman collar galled him, his cassock stifled him, his biretta was as uncomfortable as a merry-andrew's cap and bells.1918, W[illiam] B[abington] Maxwell, chapter XV, in The Mirror and the Lamp, Indianapolis, Ind.: The Bobbs-Merrill Company, →OCLC