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Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Preposition

1. {{lb|en|text messaging}} [[up]] (in any sense)
2. {{lb|en|text messaging}} Replacing the letter sequence 'up' within a word.

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