[more dependable; most dependable]
: able to be trusted to do or provide what is needed : able to be depended on
The old well is a dependable source of water. [=there is always water in the old well]
a dependable [=reliable] old car
He's the team's most dependable [=consistent] player.
— dependability /dɪˌpɛndəˈbɪləti/ noun [noncount]
the car's proven dependability [=reliability]
— dependably /dɪˈpɛndəbli/ adverb
a plant that will bloom dependably [=reliably], year after year