To Stare At
transitive verb, ichidan verb
When you really stuff in (詰める) what you are seeing, you're really looking at something, causing you to stare at whatever it is you're stuffing your seeing into.
The reading is 見 and 詰める.
好きな人をこっそり見詰めるのって、青春っぽいよね。
Secretly staring at your crush—so youthful, isn't it?
見詰めるだけで通じることもある（と信じたい）。
Sometimes you can communicate just by staring… I hope.
ネコにジッと見詰められたから、おやつを差し出してしまった。
The cat stared at me so intensely, I had to give it a treat.
その犬は、真っすぐ上へ上へと飛んで行く風船をじっと見詰めていた。
The dog was staring intently at the balloon flying straight up, higher and higher.