Unwed means not married. An unwed mother, unwed couples, remained unwed.
It is dated and carries the judgement of an era, since unwed mother was an official category used to justify a great deal of cruelty. Unmarried is the neutral word now, and single is commoner still.
1adjectiveunwedNot married.
“In the old village, an unwed couple living together caused a scandal.”
unwed is a state.
Also accepted in games: unmarried
Proto-Indo-European
*wedʰ- — to pledge
Proto-Germanic
*wadjōną — to pledge
Proto-West Germanic
*waddjōn
Old English
weddian — to pledge; wed
Middle English
wedden
English
wed
English, today
unwed
Built from
From un- + wed. wed comes from Middle English wedden, weddien, from Old English weddian (“to pledge; wed”), from Proto-West Germanic waddjōn, from Proto-Germanic wadjōną (“to pledge”), from wadją (“pledge”), ultimately from Proto-Indo-European wedʰ- (“to pledge”). Cognate with Scots wed, wod, wad (“to wed”), stq wädje (“to bet, wager”), West Frisian wedzje (“to bet, wager”), Low German and Dutch wedden (“to bet”), German wetten (“to bet”), Danish vædde (“to bet”), Swedish vädja (“to appeal”), Icelandic veðja (“to bet”); more distantly, to Sanskrit वधू (“bride”). Related also to gage, engage, and wage.
Etymology from Wiktionary, CC BY-SA