cloud

n.

1. Fog at a distance from the earth

   haze, mist, rack, fogginess, haziness, film, puff, billow, frost, nebula, nebulosity, vapor, veil, cloud cover, cloudiness, overcast, pall.

   Types of clouds include: cirrus, cumulus, stratus, nimbus, cirrocumulus, cirrostratus, altostratus, altocumulus, cumulonimbus, stratocumulus, nimbostratus; woolpack*, scud*, meteor*, curl-cloud*, mare's tail*, colt's tail*, cat's tail*, mackerel sky*, thunderhead*, sheep*.

2. Any nebulous mass

   smoke, dust, vapor, dimness; see sense 1, darkness 1, fog 1.

3. Anything ominous

   pall, spot, fault, blemish, dark spot, stain, shadow, flaw, blotch, obscurity, gloom; see also warning.

in the clouds

under a cloud

1. suspect, dubious, under suspicion, in disgrace; see disgraced, suspicious 2.

2. depressed, worried, sad;