Webster's Revised Unabridged Dictionary · 1913

Haphazard

Haphazard (hap"haz`ẽrd o hap`haz"ẽrd) , noun

[Hap + hazard.]

Extra hazard; chance; accident; random.
We take our principles at haphazard, upon trust. — Locke

haphazard (hap"haz`ẽrd o hap`haz"ẽrd) , adjective

Determined by chance, whimsy, or guesswork; unplanned; aimless; random; -- used mostly of human actions.