invisibly

• invisible +‎ 接尾辞 "-ly"
• 接頭辞 in- +‎ visibly

invisibly (比較級 more invisibly, 最上級 most invisibly)

1. 目に見（み）えないように、隠（かく）れて

• invisibility
• invisible
• invisibleness

• hiddenly
• latently

• visibly
• apparently