supplemented
adj. B2 Upper Intermediate US //ˌsəpɫəˌmɛntɪd// UK //sˈʌplɪməntɪd// sup·ple·ment·ed
adj. added to something else to make it better or more complete. You use this when you have a main thing and add extra parts to improve it.
adj. added to something else in order to complete it, enhance it, or make up for a deficiency. Often used as a participial adjective following a linking verb or preceding a noun.
Her income is supplemented by a small pension.
The textbook is supplemented by online videos and practice quizzes to help students learn faster.
The athlete's rigorous training schedule was supplemented by a strict nutritional plan designed to maximize recovery and performance during the off-season.
Usage
Often follows the verb 'to be' and is frequently paired with the preposition 'by' or 'with'.