Passage
I called upon thy name, O LORD, out of the low dungeon.
I called upon thy name, O LORD, out of the low dungeon.
Lamentations 3:53 They have cut off my life in the dungeon, and cast a stone upon me.
Lamentations 3:54 Waters flowed over mine head; then I said, I am cut off.
Lamentations 3:55 I called upon thy name, O LORD, out of the low dungeon.
Lamentations 3:56 Thou hast heard my voice: hide not thine ear at my breathing, at my cry.
Lamentations 3:57 Thou drewest near in the day that I called upon thee: thou saidst, Fear not.
The verse centers on "called", "upon", "name", "lord", and "dungeon". It is saying that the verse draws attention to "called" and "upon", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 54's "Waters flowed over mine head then I..." into verse 56's "Thou hast heard my voice hide not...", so "called" and "upon" belong inside that flow. In Lamentations context, the local focus is covenant, worship, and faithfulness.
A plain takeaway is to answer the verse's own emphasis on "called" and "upon" with trust shaped by these words, not by a vague optimism outside the passage.