Definition
An end-stopped line is one that finishes with a grammatical pause or full stop. The syntax closes — or at least takes a break — right at the line break. Readers instinctively pause at the end of the line since the meaning also halts there. This contrasts with enjambment, where a sentence flows past the line's end without stopping.
Poets employ end-stopped lines for various reasons, and none of these choices are random. This technique gives each line a sense of weight and completeness, almost like delivering a statement to the reader one at a time. It slows down the reading pace, creating a feeling of thoughtfulness, even inevitability — as if each line is a fact laid out by the poem. In formal verse, particularly the heroic couplet, end-stopping acts as the engine of wit: two lines, two ideas, a satisfying click of closure. In more reflective poems, a sequence of end-stopped lines can evoke a sense of a speaker carefully selecting each word before progressing to the next idea.
For the reader, the experience resembles controlled breathing. You read a line, pause to absorb it, then proceed. This rhythm can evoke a stately, mournful, authoritative, or even hypnotic feeling, depending on the surrounding poem.