Easily moved to tears; prone to crying or becoming tearful when touched or emotional.
彼は涙もろいので、感動的な映画を見ただけで泣いてしまう。
He's easily moved to tears, so he cries just from watching a touching movie.
おばあちゃんは孫の成長を見るたびに涙脆くなる。
Grandma gets tearful every time she sees how her grandchild has grown.
子どものころから涙もろい性格で、友達の話でもすぐに目がうるむ。
Since childhood she's been tearful; even friends' stories quickly bring tears to her eyes.