Jenny is reliable when it suits her. On tasks she doesn’t enjoy, she needs a steady reminder to get them accomplished.
Holly is usually very steady in her work, but there have been several instances where she has been unreliable.
Bob is a very loyal guy, but not a very dependable one. “Flaky” is probably the closest word that comes to mind when thinking of Bob.
Tim has a steadfastness in his work that we admire. He is very dependable and works without ceasing on major projects or when we have a problem.
When we think of dependability, Jim immediately comes to mind. His reliability is unsurpassed by others and is one of his strongest assets.