shingle has 1 distinct synonym spread across 1 of its 4 senses. Each sense below keeps its own list, because a synonym belongs to a meaning and not to a word: swapping one sense's substitute into another sense's sentence is how a thesaurus makes writing worse. WordNet records no antonym for it — antonymy is a relation between word forms rather than concepts, so it is deliberately sparse.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
coarse beach gravel of small waterworn stones and pebbles (or a stretch of shore covered with such gravel)
Synonyms, antonyms and the broader and narrower relations for shingle come from Princeton University’s WordNet. Full sources and licences.
a small signboard outside the office of a lawyer or doctor, e.g.