1) Alarm target 2) An alarming villain 3) Character created by Stan Lee 4) Fictional professional thief 5) French word used in English 6) Housebreaker 7) Raffles 8) Second-story man 9) Spider-Man character 10) Stealer 11) Thief 12) Thief who breaks in 1) Cracksman 2) Felon 3) Housebreaker 4) Interloper 5) Picklock 6) Robber 7) Stealer 8) Thief 9) Yegg 
• (n.) One guilty of the crime of burglary.
Bur'glar noun [ Middle English burg town, French bourg , from Late Latin burgus (of German origin) + Old French lere thief, from Latin latro . See Borough , and Larceny .] (Law) One guilty of the crime of burglary. Burglar alarm , 
[n] - a thief who enters a building with intent to steal
noun a thief who enters a building with intent to steal
a person who commits burglary.