1. By necessity
   "the situation slid inescapably toward disaster "
   - ineluctably, inevitably, unavoidably

See also: inescapable

• perdurability
• perdurable
• perdure
• pere david's deer
• Pere Jacques Marquette
• peregrinate
• peregrination
• peregrine
• peregrine falcon
• Perejil
• peremptorily
• peremptory
• perennate
• perennation
• perennial
• perennial pea
• perennial ragweed
• perennial ryegrass
• perennial salt marsh aster
• perennially
• perennity
• Pereskia
• Pereskia aculeata
• perestroika
• perfect