From fog + -y, originally in the sense "covered with tall grass; marshy; thick". It is not clear whether fog (“mist”) is a back-formation from foggy (“covered with tall, obscuring grass”) or has a separate Germanic origin, and hence whether foggy (“covered with tall grass”) and foggy (“obscured by mist”) represent one word or two. See fog ("mist"; "tall grass") for more.
- Obscured by mist or fog; unclear; hazy
- (figurative) Confused, befuddled, etc.
- He was still foggy with sleep.
- Being, covered with, or pertaining to fog (“tall grass etc that grows after, or is left after, cutting; moss”)
- 1680, Leonard Mascall, The government of cattel. Divided into three books, etc, page 221:
- For they will feed on foggy grass and such like. Also ye shall understand that horses and Cattel may not well be foddered in Winter all together, but […]
- 1772, William Ellis, Husbandry, abriged, page 98:
- […] for as he shuts up his meadow at Christmas, leaves such foggy grass behind, and manures well, in case a wet hot summer succeeds, […]
- 1808, John Stagg, Miscellaneous Poems, Some of which are in the Cumberland and Scottish Dialects, page 143:
- See swingin' owr the foggy swaird, Begrac'd wi' angel features, […]