underfilter

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|signal processing}} A [[morphological]] [[filter]] ([[idempotent]] [[operator]]) whose [[image]] is a [[subset]] of the [[domain]].
2. A [[filter]] that is positioned beneath something.

Verb

1. To [[filter]] [[insufficient]]ly.

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