Re·sist'less adjective 1. Having no power to resist; making no opposition. [ Obsolete or R.] Spenser. 2. Incapable of being resisted; irresistible. « Masters' commands come with a power resistless To such as owe them absolute subjection.» Milton. --... Found on http://www.encyclo.co.uk/webster/R/61
supineadjective offering no resistance; `resistless hostages`; `No other colony showed such supine, selfish helplessness in allowing her own border citizens to be mercilessly harried`- Theodore Roosevelt Found on https://www.encyclo.co.uk/local/20974