Having little ambition for success or achievement(adjective)
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Use "unambitious" in a sentence
"The bank also outlined new targets for 2010 -- called unambitious by analysts -- to go with a revamped structure."
"Il Capitano Smeet 'was not sorry to get out of the government house -- palazzo, as some of the simple people of Elba called the unambitious dwelling."
"That might be called unambitious but I did not want to be away all week from my family."