locked on

able confident easy reliable solid stable strong sure

assured balanced cinch determined established firm reassured settled sound steady

absolute at ease carefree conclusive hopeful in the bag nailed down on ice resolute sanguine self-assured self-confident steadfast sure thing tried-and-true unanxious undoubtful well-founded

uncertain unreliable unsure wobbly

irresolute unsound unstable wavering

indefinite undecided