spottily

In patchy fashion

In an uneven or inconsistent manner, with some areas or instances differing from others: The policy has been spottily enforced across districts.

The word suggests patchiness—coverage, quality, or attention that varies from place to place or time to time: Reception was spottily available in the mountains.

inconsistent

erratically

In an inconsistent manner

unevenly · fitfully · sporadically · randomly · patchily · intermittently · unreliably · variably · capriciously · desultorily

patchy

patchily

In irregular areas

blotched · streakily · flecked · variegated · unevenly · nonuniformly · irregularly · blemished · discolored · stained

intermittent

occasionally

At infrequent intervals

episodically · infrequently · discontinuously · fleetingly · momentarily · briefly · flickeringly · stutteringly · haltingly · brokenly

Opposites
consistency/regularity

spottilyconsistently

In an unchanging way

uniformly · evenly · steadily · regularly · reliably

completeness of coverage

spottilythoroughly

In complete detail

completely · comprehensively · wholly · entirely · fully

Phrases
Family

spotting

Familiarity
Top 500,000
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Used worldwide · Timeless · Everyday, not technical · Rated G