invisible adj.
VERBS be | become | remain | make sb/sth, render sb/sth He wished that he could make himself invisible. It's interesting how women are rendered invisible in these statistics.
ADV. altogether, completely, totally | almost, nearly, practically, virtually | largely | effectively
PREP. to Infrared light is invisible to the human eye.
You can also check other dicts: invisible (English, 中文解释 ), wordnet sense, Collins Definition