umbra

Fetched 2026-10-26 (cache).

Synonyms: umbre, umbria, ambra, umba, umra, umbr, umbro, embra, umara, ubra

Antonyms: umbre, umbria, ambra, umba, umra, umbr, umbro, embra, umara, ubra

Related words from Datamuse; suggestions, not definitions.

Noun

1. The fully [[shaded]] inner [[region]] of a [[shadow]] cast by an [[opaque]] object.
2. {{lb|en|astronomy}} The central region of a [[sunspot]].
3. {{lb|en|chiefly|literary}} A [[shadow]].
4. {{lb|en|archaic}} An [[uninvited]] [[guest]] brought along by one who was [[invite]]d.
5. One of the family {{taxfmt|Umbridae|family}} of [[mudminnow]]s.
6. One of genus {{taxfmt|Umbrina|genus}} of [[drum]]s (family {{taxfmt|Sciaenidae|family}}).
7. {{lb|en|math}} An element of the [[umbral calculus]]. <!--needs more specifics-->

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.