1. Lacking care and attention
   "untended garden was soon overgrown with weeds"; "untended children"

See also: uncared-for

• oblivious
• obliviously
• obliviousness
• oblong
• oblong leaf
• oblong woodsia
• oblongness
• obloquy
• obmutescence
• obnoxious
• obnoxiously
• obnoxiousness
• obnubilate
• oboe
• oboe d'amore
• oboe da caccia
• oboist
• obolus
• obovate
• obovate leaf
• obscene
• obscenely
• obscenity
• obscurantism
• obscurantist