v. 辞谢, 谢绝（邀请等）( decline的第三人称单数 ); （道路、物体等）下倾; （太阳）落下; （在品格、价值上）降低

n change toward something smaller or lower

n a condition inferior to an earlier condition; a gradual falling off from a better state

n a gradual decrease; as of stored charge or current

n a downward slope or bend

v grow worse

v refuse to accept

v show unwillingness towards

v grow smaller

v go down

v go down in value

v inflect for number, gender, case, etc., "in many languages, speakers decline nouns, pronouns, and adjectives"