Verb (used with object) : to underdevelop film.    From Dictionary.com. 

This crisis would not only significantly undermine progress towards sustainable development, but would even "underdevelop" some of the worst affected countries.    From Wordnik.com.  [ANC Daily News Briefing] Reference

If not move to an underdevelop country for six months. — percy.    From Wordnik.com.  [Freakonomics in the Times Magazine: The Stomach-Surgery Conundrum - Freakonomics Blog - NYTimes.com] Reference

I mean, the fact is that we deliberately underdevelop some of these countries and some of the relationships in terms of economics have been.    From Wordnik.com.  [CNN Transcript Dec 1, 2002] Reference

A number of the problems highlighted, such as the underdevelop - ment of mental health services and inequities in the distribution of nursing staff, cannot be overcome overnight.    From Wordnik.com.  [ANC Daily News Briefing] Reference

However, just as the subservience of a people might fuel the self-aggrandizing motive of their overlords, it also serves to underdevelop these selfsame overlords in, for instance, their empathetic instinct and all the tangible and intangible benefits that might be inspired by it.    From Wordnik.com.  [Asian] Reference