Standard Lemma guide
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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
verb
To join, add, or append (something) to the end of something else.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
Synonyms: subjoin, annex
Antonyms: none provided
History
From Middle English underjoinen, equivalent to under- + join.
