different between deleterious vs unfortunate

English

Etymology

From Medieval Latin deleterius, from Ancient Greek ?????????? (d?l?t?rios, “noxious, deleterious”), from ??????? (d?l?t?r, “a destroyer”), from ???????? (d?léomai, “I hurt, damage, spoil, waste”), 1640s.

Pronunciation

• (Received Pronunciation) IPA^(key): /?d?l??t???i.?s/, /?d?l??t???i.?s/
• (US) IPA^(key): /?d?l??t??i.?s/
• Rhymes: -??ri?s

Adjective

deleterious (comparative more deleterious, superlative most deleterious)

1. Harmful often in a subtle or unexpected way.

   Synonyms: destructive, harmful, hurtful, injurious, noxious, pernicious; see also Thesaurus:harmful
2. (genetics) having lower fitness.

Derived terms

• deleteriously
• deleteriousness

Related terms

• delete
• deletion
• deletory

Translations

Further reading

• deleterious at OneLook Dictionary Search
• deleterious in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• Douglas Harper (2001–2021) , “deleterious”, in Online Etymology Dictionary

References

English

Etymology

un- +? fortunate

Pronunciation

• (Received Pronunciation) IPA^(key): /?n?f??tj?n?t/, /?n?f??t???n?t/
• (General American) IPA^(key): /?n?f??t???n?t/
• Hyphenation: un?for?tu?nate

Adjective

unfortunate (comparative more unfortunate, superlative most unfortunate)

1. not favored by fortune

   Synonym: unsuccessful

   Antonym: fortunate

2. marked or accompanied by or resulting in misfortune

   Synonym: unlucky

   Antonyms: fortunate, lucky

Translations

Derived terms

• unfortunately

See also

• deplorable
• regrettable
• infelicitous
• unsuitable

Noun

unfortunate (plural unfortunates)

1. An unlucky person; one who has fallen into bad circumstances.

Translations