declining
adjectiveUK /dɪˈklaɪnɪŋ/
US /dɪˈklaɪnɪŋ/
Getting smaller or weaker over time.
The number of birds in the park is declining.
OTHER MEANINGS
2. Refusing to do something politely.
She is declining the invitation to the party.
3. Going down or sloping downward.
The declining path led to the river.
4. Becoming worse in quality or health.
His health has been declining since winter.