a state of deep and often prolonged unconsciousness; usually the result of disease or injury | a group of many things in the air or on the ground |
(astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed | a visible mass of water or ice particles suspended at a considerable altitude |
(botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds) | any collection of particles (e.g., smoke or dust) or gases that is visible |
| suspicion affecting your reputation |
| out of touch with reality |
| a cause of worry or gloom or trouble |