sticky, gooey, or gluey—having a viscous texture that clings (often used for food or substances).
納豆は粘っこくてご飯にかけるとよく合う。
Natto is sticky and goes well over rice.
ケーキの生地がまだ粘っこいので、もう少し焼時間が必要だ。
The cake batter is still gooey, so it needs a bit more baking time.
キャンディーが歯に粘っこくくっついた。
The candy stuck to my teeth and was gooey.
tenacious, persistent, or stubborn in behavior; sometimes annoyingly clingy or insistent.
彼は仕事で粘っこい交渉を続けて、ついに契約を勝ち取った。
He persisted in tough negotiations and finally won the contract.
彼女は粘っこく質問してくるので、説明が大変だった。
She asked persistently, so it was hard to explain.
粘っこい性格のおかげで困難を乗り越えられた。
Thanks to his persistent nature, he overcame the difficulties.