hacker UK /hækə/US /hækəɹ/noun 10verb 1forms 3 noun10 •Someone who hacks.A hacker hacked into his computer account yesterday. •One who uses a computer to gain unauthorized access to data stored in, or to carry out malicious attacks on, computer networks or computer systems. •One who is expert at programming and solving problems with a computer. •One who applies a novel method, shortcut, skill, or trick to something to increase ease, efficiency, or productivity. •One who is inexperienced or unskilled at a particular activity, especially (sports, originally and chiefly golf), a sport such as golf or tennis.And then Billy was a middle-aged optometrist again, playing hacker’s golf this time—on a blazing summer Sunday morning. — 1969 •One who cuts with heavy or rough blows.[O]ne good hacker, being a lusty labourer, vvill at good ease hacke or cut more then halfe an Acre of ground in a day; […] — 1625 •Something that hacks; a device or tool for hacking; specifically, an axe used for cutting tree branches or wood. •(UK) A fork-shaped tool used to harvest root vegetables. •(US) One who operates a taxicab; a cabdriver. •(no longer used) Synonym of hackster (“a violent bully or ruffian; also, an assassin, a murderer”). verb1 •(dialect, no longer used) To speak with a spasmodic repetition of vocal sounds; to stammer, to stutter; also, to mumble and procrastinate in one's speech; to hem and haw.Stammering, hackering—and so forth; it's shameful to relate! A soldier should be sound, brave, firm, decisive, true, honourable! — 1810 formshackered · hackering · hackers