The purpose of the present invention is to provide an absorbent which is flexible, not prone to creasing, and not prone to losing shape. This absorbent is configured as described below. An absorbent (3) for an absorbent article, the absorbent (3) characterized in that the absorbent (3) is provided with an absorbing core (5) having a first face (9) and a second face (10) on a reverse side thereof from the first face (9), the absorbing core (5) includes thermoplastic resin fibers (6), cellulose-based water-absorbent fibers (7), and a high-absorbent polymer (8), at least a portion of the thermoplastic resin fibers (6) have a first portion (6a) exposed to the first face (9) of the absorbing core (5), a second portion (6b) exposed to the second face (10) of the absorbing core (5), and a connecting portion (6c) for connecting the first portion (6a) and the second portion (6b), and the absorbing core (5) has a tensile strength of at least 1.6 N per 50 mm of width thereof when wet.
