Lamentable, a.
Etymology: [L. lamentabilis : cf. F. lamentable.]
1. Mourning; sorrowful; expressing grief; as, a lamentable countenance. "Lamentable eye." Spenser.
2. Fitted to awaken lament; to be lamented; sorrowful; pitiable; as, a lamentable misfortune, or error. "Lamentable helplessness." Burke.
3. Miserable; pitiful; paltry; -- in a contemptuous or Bp. Stillingfleet. -- Lam"en*ta*ble*ness, n. -- Lam"en*ta*bly, adv.
Shades of meaning
Fernald has no entry of its own for lamentable; he lists it under pitiful.
He lists it without comment; the entries above explain its neighbors.