adv · 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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US:/dɪˈzæs.tɹəs.li/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:D IH0 Z AE1 S T R AH0 S L IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adv
Meaning 1
In a disastrous way. (Of the nature of a disaster; calamitously.)
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adverb
Meaning 2
in a disastrous manner
Definition source: Princeton WordNet 3.0
Examples
the real value of the trust capital may be disastrously less than when the trust began
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Etymology tree English disastrous Middle English -ly English -ly English disastrously From disastrous + -ly.
Across languages
Translations
6 source translations are retained for this English entry.