Ranked by relevance and common usage.
Keep "slaty" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
If two options seem close, choose the one that best matches the audience and purpose of the sentence.
Choose a synonym only if it keeps the core idea of "slaty" intact in the sentence you are editing.
Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.
Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.
Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
After choosing a replacement for "slaty", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.
If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "slaty" or choose a simpler alternative from the closest-match group.
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
3 total sentences available.
In the course of ten or fifteen minutes the thinning mist dissolved altogether from the northern horizon, as it had already done elsewhere, and about a quarter of an hour before the time of sunset the westward clouds parted, the sun's position being partially uncovered, and the beams streaming out in visible lines between two bars of slaty cloud.
Source: tatoeba (11473186)
Their faces and hands were yellow as saffron; their small and slaty eyes were set obliquely beneath lashless lids; and their thin lips, which smiled eternally, were crooked. as the blades of scimitars.
Source: wiktionary
But snow had now begun to fall out of a forbiddingly slaty-grey sky, and this seemed to depress both engine and crew.
Source: wiktionary
Closest matches include adamant, ashen, dapple, dapple gray, dappled.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.