Eventually, In The End
Adverb, Noun, and の adjective
けっきょく
結局、梅干しはつけませんでした。
I didn't end up making umeboshi.
目覚まし時計で一たんは目が覚めたが、結局またねむりに落ちてしまいました。
I woke up to the alarm once, but I eventually fell back asleep.
バレンタインの友チョコを買いに行ったんだけど、結局自分用チョコしか買わなかったわ。
I went to buy some Valentine's chocolates for my friends, but in the end I only got some for myself.
If you tie the bureau up with your delays this may not get done this year after all.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well. Note the けつ gets changed to けっ as つs in this situation often do.