Phrase guide

downy mildew

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

Any of several types of oomycete microbe, in family Peronosporaceae, that are obligate parasites of plants.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

any of various fungi of the family Peronosporaceae parasitic on e.g. grapes and potatoes and melons

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: false mildew

Antonyms: none provided

Broader terms: mildew

Narrower terms: blue mold fungus, Peronospora tabacina, onion mildew, Peronospora destructor, tobacco mildew, Peronospora hyoscyami

History

Etymology

No etymology was provided for this word.