early 16th century (as an adjective meaning 'joined on, subordinate'): from Latin adjunctus, past participle of adjungere (see adjoin)
Adjuncts are adverbials that add more information to a sentence. They can provide additional information about: where things happenAt low tide you can cross the bays on the beach. when things happenI cannot sleep at night. how things happenI found out how to do this by accident. why things happenNo one is turned away because of a lack of means. the purpose of an actionI still send her a Christmas card each year for old times' sake. condition (If this happens, then that happens.)Leslie had left no letter for me to read in the event of his death. concession (Even if this happens, still that happens.)Despite all its efforts, America still has its racists. degree (Answering the question ‘How much?’)I wouldn’t worry at all.