Wordiness is the urge to use ten words when three would have done nicely. Extra words drain the power and urgency from your writing, so be on the lookout for redundancies and meaningless words. Here is an example.
He just tip-toed carefully across the scorchingly hot pavement. Is it possible to tip-toe recklessly? Can scorching apply to any temperature other than hot? Does “just” add any value? Banish the unnecessary words, and you get a punchier sentence:
He tip-toed across the scorching pavement.