Hereâs my take. Tough definition is - difficult to accomplish, resolve, endure, or deal with. est 1. Guys in my unit, several friends from 5th Special Forces Group, a couple of SEALS, some Army Rangers and Marines. Definition from Wiktionary, the free dictionary. Literally, killers. â¢ TOUGH GUY (noun) The noun TOUGH GUY has 1 sense:. Synonym Discussion of tough. Change your default dictionary to American English. Definition of tough guy in the Definitions.net dictionary. Online Slang Dictionary. Definition and synonyms of tough guy from the online English dictionary from Macmillan Education. tough guy definition in English dictionary, tough guy meaning, synonyms, see also 'tough love',though',trough',toughen'. Another word for tough guy. Synonyms (Other Words) for Tough guy & Antonyms (Opposite Meaning) for Tough guy. Dictionary entry overview: What does tough guy mean? How to use tough in a sentence. Your only escape route is a mighty and revered obstacle course. Hereâs the thing with them. The slang word / phrase / acronym tough guy means... . Iâve known some real killers. A list of slang words and phrases, idioms, jargon, acronyms, and abbreviations. English  Adjective . 1. someone who bullies weaker people Familiarity information: TOUGH GUY used as a noun is very rare. Jump to navigation Jump to search. Information and translations of tough guy in the most comprehensive dictionary definitions resource on the web. Enrich your vocabulary with the English Definition dictionary Find more ways to say tough guy, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. This is the British English definition of tough guy.View American English definition of tough guy. View the pronunciation for tough guy. tough guy: 1 n someone who bullies weaker people Synonyms: plug-ugly Types: Ted , Teddy boy a tough youth of 1950's and 1960's wearing Edwardian style clothes Type of: bully , hooligan , roughneck , rowdy , ruffian , tough , yob , yobbo , yobo a cruel and brutal fellow Thug definition, a violent, lawless, or vicious person, especially one who commits a crime such as assault, robbery, or murder: It wasn't uncommon for hired â¦ tough-guy (comparative more tough-guy, superlative most tough-guy) . Meaning of tough guy. Able to withstand great strain without tearing or breaking; strong and resilient: a tough all-weather fabric. Tough Guy® is the nightmare of being chased by a herd of stallions. This Slang page is designed to explain what the meaning of tough guy is.