(a.) Like pap; soft; succulent; tender.

abba dad daddy dead dilute diluted fade father flat flavorless foster father genitor governor gruelly inane indifferent insipid jejune mild milk-and-water mushy old man pa pap papa pater paterfamilias patriarch pop pops pulpy sapless savorless sire spiceless spongy squashy squelchy squishy squushy stale stepfather tasteless the old man thin unflavored unsavory vapid washy watered watered-down watery weak wishy-washy yielding