2. Noun. (idiomatic by extension) A situation, person, group, etc. which is difficult to overcome or deal with. ¹
3. Noun. (idiomatic) A place, opportunity, etc. to which it is difficult to gain entry. ¹
¹ Source: wiktionary.com
2. Noun. (idiomatic by extension) A situation, person, group, etc. which is difficult to overcome or deal with. ¹
3. Noun. (idiomatic) A place, opportunity, etc. to which it is difficult to gain entry. ¹
¹ Source: wiktionary.com