困る【こまる】
to be troubled, to have difficulty, to be in a fix, to be at a loss, to be stumped, to be embarrassed, to be bothered, to be inconvenienced, to be annoyed, to be badly off, to be hard up, to be in straitened circumstances
困難【こんなん】
difficulty, hardship, trouble, distress, infeasibility, inability (to carry out)
貧困【ひんこん】
poverty, penury, need, destitution, shortage, lack, want
困惑【こんわく】
bewilderment, perplexity, embarrassment, discomfiture, bafflement
困窮【こんきゅう】
poverty, need, destitution, having great difficulty with, struggling greatly with, being in distress
困り果てる【こまりはてる】
to be at a complete loss, to be without recourse, to be completely stymied, to have absolutely no idea what to do