adj · 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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Received-Pronunciation:/ˈpɪ.sɪ.əs/
Received-Pronunciation:/ˈpaɪ-/
Received-Pronunciation:/paɪˈsiː.əs/
UK:Recorded audio is listed in the source snapshot.
General-American:/ˈpɪ.si.əs/
General-American:/ˈpaɪ-/
1
adj
Meaning 1
Of or pertaining to pitch (“a sticky, dark brown substance obtained from distilling turpentine or wood tar, or crude oil or tar”); having a quality like pitch.
Definition source: English Wiktionary via Wiktextract
Usage: obsolete, rare
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: pitchlike, pitchy
Antonyms: none provided
2
adj
Meaning 2
Resembling pitch in colour; a very dark brown.
Definition source: English Wiktionary via Wiktextract
Topics: biology, entomology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
From Latin piceus (“like pitch; pitch-black”) + -ous (suffix forming adjectives denoting possession or presence of a quality). Piceus is derived from pix (“pitch, tar”) (ultimately from Proto-Indo-European *peyH- (“fat; milk”)) + -eus (suffix forming adjectives indicating the sources of attributes). The English word is cognate with Italian piceo (“like pitch; of a dark brown colour”), Spanish piceo (“like pitch; of a dark brown colour”).
Across languages
Translations
4 source translations are retained for this English entry.
Italian:
piceo
— of or pertaining to pitch; having a quality like pitch
Spanish:
piceo
— of or pertaining to pitch; having a quality like pitch