source: Why Charlotte Is A Distinctive Anime Series Worth Watching

(of a material or article) allowing light to pass through so that objects behind can be distinctly seen:

〈シート･布･肌などが〉透明な, 透き通って［透けて］見える(↔ opaque; → translucent)

e.g. transparent blue water.

easy to perceive or detect:

｟かたく｠ 〈文章･状況などが〉わかりやすい, 明快な

e.g. the residents will see through any transparent attempt to buy their votes

e.g. the meaning of the poem is by no means transparent.

having thoughts, feelings, or motives that are easily perceived:

〈うそ･企てなどが〉あからさまな, 見えすいた.

e.g. you'd be no good at poker—you're too transparent.

(of an organization or its activities) open to public scrutiny:

〈組織･活動などが〉透明性の高い, 公明正大な.

e.g. if you had transparent government procurement, corruption would go away.

Physics transmitting heat or other electromagnetic rays without distortion.

〘物理〙 透明な〘放射粒子が通過する〙

Computing (of a process or interface) functioning without the user being aware of its presence.

〘コンピュ〙 透過的な〘ユーザが複雑な内部を意識しなくてよい〙

transparentness noun

late Middle English: from Old French, from medieval Latin transparent- ‘shining through’, from Latin transparere, from trans- ‘through’ + parere ‘appear’.