sound like RUDE+MEN so rude men never developed becoz they are lacking of elementary or fundamental principals.....hope it helps...
rudimentary=crude+fundamental.
rudimentary(rude+mentaring):there is a person who was always rude and people had dislike towards him, after i had started mentoring him,has improved,so now he is in his INITIAL DEVELOPMENTAL STAGE of learning,behaving with manners
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