benign bright dependable fail-safe firm fresh gentle guaranteed guiltless innocent innocuous inoffensive inviolate invulnerable mild mint nonmalignant nonpoisonous nontoxic nonvirulent painless pristine reliable riskless safe scatheless sound stable steady trustworthy unbroken unbruised undamaged undamaging undangerous undefaced undeformed undemolished undestroyed unfaded unharmed unhazardous unhurt unhurtful unimpaired uninjured uninjurious unmaimed unmangled unmarked unmarred unobnoxious unoffending unperilous unprecarious unrisky unscarred unscathed unscratched unshattered unspoiled untorn untouched unwithered unworn virgin warranteed