Haze (hāz), n. [Cf. Icel. höss gray; akin to AS. hasu, heasu, gray; or Armor. aézen, ézen, warm vapor, exhalation, zephyr.] Light vapor or smoke in the air which more or less impedes vision, with little or no dampness; a lack of transparency in the air; hence, figuratively, obscurity; dimness.
O'er the sky
The silvery haze of summer drawn. Tennyson.
Above the world's uncertain haze. Keble.