- intracerebroventricular
- electroencephalographic
- first-come-first-served
- politico-administrative
- microspectrophotometric
- bored out of one's tree
- wrong on so many levels
- philatelically inspired
- magnetoencephalographic
- sympathoadrenomedullary
- negative-edge-triggered
- famous for being famous
- parasympatheticomimetic
- tight as a gnat's chuff
- hypergammaglobulinaemic
- electrochemiluminescent
- immunohistopathological
- four sheets to the wind
- uveomeningoencephalitic
- cruising for a bruising
- pure as the driven snow
- soft as a baby's bottom
- horizontally challenged
- strict-sense stationary
- pharmacoepidemiological
- collectively exhaustive
- stereophotogrammetrical
- perchloroheteroaromatic
- perfluoroheteroaromatic
- nonhypercholesterolemic
- magnetothermoelectrical
- not long for this world
- as English as apple pie
- Canadian as maple syrup
- paleomagnetochronologic
- not worth a Continental
- chemolithoheterotrophic
- not worth a plug nickel
- immunochemiluminometric
- mile wide and inch deep
- positive edge-triggered
- Judeo-Christian-Islamic
- embarrassingly parallel
- too big for one's boots
- follicularly challenged
- too good for this world
- bent as a nine-bob note
- positive-edge-triggered
- philosophical anarchist
- neuropathophysiological
- right stochastic matrix
- cut from the same cloth
- esthetically challenged
- polyaminopolycarboxylic
- temporoparietooccipital
- anarcho-individualistic
- individualist anarchist
- negative edge-triggered
- bored out of one's mind
Note: these words have been obtained from Wiktionary and have been classified and improved through automated computer linguistics processes.