未 - un-, not yet, hitherto

(an) unknown; unknown number; variable

early dawn; grey of morning; gray of morning

premature baby

minor; underage person

not yet fixed; undecided; pending; TBD

less than; under; below

still; as yet; only

unmarried; not yet married

unsolved; unresolved; unsettled; pending; outstanding

unripe; green; immature

the Sheep (eighth sign of the Chinese zodiac); the Ram; the Goat

lingering attachment; lingering affection; regret; reluctance; ruefulness