different between undercover vs deleterious

English

Etymology

under +? cover

Adjective

undercover (comparative more undercover, superlative most undercover)

1. Performed or happening in secret.
2. Employed or engaged in spying or secret investigation.

Synonyms

• clandestine
• See also Thesaurus:covert

Related terms

• cloak-and-dagger

Translations

Noun

undercover (plural undercovers)

1. A person who works undercover.

Translations

Verb

undercover (third-person singular simple present undercovers, present participle undercovering, simple past and past participle undercovered)

1. To provide too little coverage.

Dutch

Etymology

Borrowed from English undercover.

Pronunciation

• IPA^(key): /??n.d?r?k?.v?r/
• Hyphenation: un?der?co?ver

Adjective

undercover (not comparable)

1. undercover

Inflection

Adverb

undercover

1. undercover (in a covert fashion, not using one's real identity)

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