Smith's Bible Dictionary
Mahershalalhashbaz(i.e. hasten-booty speedspoil), whose name was given by divine direction to indicate that Damascus and Samaria were soon to be plundered by the king of Assyria. (Jeremiah 8:14)
International Standard Bible Encyclopedia
MAHER-SHALAL-HASH-BAZma'-her-shal'-al-hash'-baz (maher shalal chash baz, "the spoil speedeth; the prey hasteth"): Asymbolic name given to Isaiah's son to signify the sharp destruction of Rezin and Pekah by the Assyrian power (Isaiah 8:1, 3). Compare the Greek idea of Nemesis.
Easton's Bible Dictionary
Plunder speedeth; spoil hasteth, (
Isaiah 8:1-3; Comp.
Zephaniah 1:14), a name Isaiah was commanded first to write in large characters on a tablet, and afterwards to give as a symbolical name to a son that was to be born to him (
Isaiah 8:1, 3), as denoting the sudden attack on Damascus and Syria by the Assyrian army.