Idlh

immediately dangerous to life and health

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Idly
[ahyd-l] /ˈaɪd l/ adjective, idler, idlest. 1. not working or active; unemployed; doing nothing: idle workers. 2. not spent or filled with activity: idle hours. 3. not in use or operation; not kept busy: idle machinery. 4. habitually doing nothing or avoiding work; lazy. 5. of no real worth, importance, or significance: idle talk. 6. […]
Idm
intelligent dance music
Idms
1. A pictorial query language, an extension of Sequel2. [“A Management System for an Integrated Database of Pictures and Alphanumeric Data”, G.Y. Tang, Computer Graphics Image Processing 16:270-286 (1981)]. 2. Integrated Database Management System. (2002-06-10)