spottily
adverbUK /ˈspɒtɪli/
US /ˈspɑːtɪli/
In a way that happens only in some places or at some times, not everywhere or all the time.
The old radio worked spottily, cutting out every few minutes.
OTHER MEANINGS
2. In a way that has spots or marks on it.
The paint dried spottily, leaving little dots all over the wall.
3. In a way that is not always of good quality.
The band played spottily at first but got better later.
4. In a way that happens in scattered places.
Trees grew spottily across the dry field.