unhesitating (adj.)

• absolute
• all-out
• arrogant
• assured
• categorical
• clear
• cocksure
• complete
• conclusive
• confident
• convinced
• decided
• decisive
• definite
• definitive
• determinate
• determined
• downright
• entire
• explicit
• express
• final
• fixed
• flat
• global
• immediate
• implicit
• indisputable
• instantaneous
• out-and-out
• outright
• overconfident
• overweening
• peremptory
• perfect
• persuaded
• poised
• pompous
• positive
• prompt
• proud
• quick
• rapid
• ready
• reassured
• resolute
• round
• secure
• self-assured
• self-confident
• self-important
• self-reliant
• staunch
• steadfast
• straight
• straight-out
• sure
• swift
• total
• unafraid
• unconditional
• unconditioned
• undeviating
• unequivocal
• unfaltering
• unflinching
• unhampered
• unlimited
• unmistakable
• unmitigated
• unqualified
• unquestioning
• unreserved
• unrestricted
• unshrinking
• unswerving
• unwavering
• utter
• whole
• wholehearted