Definitions
one who works hard at boring tasks
Word origin
Possibly from hack(ney cab) (“carriage pulled by a hackney horse, or motorized vehicle, available for public hire”) + -er (suffix forming agent nouns).
Used in a sentence
“A hacker hacked into his computer account yesterday.”
“I'm a computer crook, the Willie Sutton of hackers. I break into computer systems for fun—and profit. To me, the Apple is the forbidden fruit.”
“Typically, one hacker will annoy another; the offended party replies by launching a denial-of-service attack against the offender.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Computer intruder”6 letters
Not quite right?
"Search similar patterns."
H_____