うと
utoi

i-Adjective

1. distant (from someone); aloof; estranged

もの日々ひびしだな。おたがいにはなればなれになると、自然しぜん疎遠そえんになるよね。
saru monowa hibini utoshida. naotagaini hanarebanareni naru toshizento soenni naruyo. ne
Out of sight out of mind. When you're separated you lose touch.
i-Adjective

2. knowing little (of); ill-informed (about); ignorant (of); unfamiliar (with); unacquainted (with)

Antonym of 詳しい
ぼく最近さいきん情勢じょうせいうとい。
bokuwa saikinno jōsēni utoi.
I know little of the recent situation.