inconsistent
adjectiveUK /ˌɪnkənˈsɪstənt/
US /ˌɪnkənˈsɪstənt/
Not staying the same; changing in a way that does not make sense.
His homework was inconsistent—great one day and missing the next.
RELATED WORDS
OTHER MEANINGS
2. Not agreeing with something else; not matching.
Her story was inconsistent with the facts.
3. Containing parts that do not fit well together.
The team gave an inconsistent performance all season.
4. Not following the same rules or standards every time.
The teacher was inconsistent about grading late work.