Term: octogenarian: someone whose age is in the eighties
Broader: oldster: an elderly person | Unrelated: hush: (poetic) tranquil silence
Broader: oldster: an elderly person | Unrelated: dhobi itch: fungal infection attacking moist parts of the body
Broader: oldster: an elderly person | Unrelated: barnacle: marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces
Broader: oldster: an elderly person | Unrelated: indentation: a concave cut into a surface or edge (as in a coastline)
Broader: oldster: an elderly person | Unrelated: east german: a native or inhabitant of the former republic of East Germany
Broader: oldster: an elderly person | Unrelated: icicle: ice resembling a pendent spear, formed by the freezing of dripping water
Broader: oldster: an elderly person | Unrelated: annunciation: a festival commemorating the announcement of the Incarnation by the angel Gabriel to the Virgin Mary; a quarter day in England, Wales, and Ireland
Broader: oldster: an elderly person | Unrelated: privateer: an officer or crew member of a privateer
Broader: oldster: an elderly person | Unrelated: oubliette: a dungeon with the only entrance or exit being a trap door in the ceiling
Broader: oldster: an elderly person | Unrelated: master of divinity: a master's degree in religion