inconstant
adjectiveUK /ɪnˈkɒnstənt/
US /ɪnˈkɑːnstənt/
Often changing and not staying the same.
The weather here is inconstant, sunny one minute and rainy the next.
RELATED WORDS
OTHER MEANINGS
2. Not faithful or loyal to a person or promise.
He was an inconstant friend who disappeared whenever things got hard.
3. Changing often in mood or feelings.
Her inconstant moods made it hard to know what to expect.
4. Not staying at the same level or amount.
The inconstant supply of electricity caused frequent blackouts.