absence without leave, analytic thinking, convergent thinking, creative thinking, divergent thinking, do without, go without saying, lateral thinking, logical thinking, out-of-the-box thinking, synthetic thinking, thinking, thinking cap, wishful thinking, without, without a stitch, without aim, without ambiguity, without bias, without bloodshed, without consideration, without delay, without diplomacy, without doubt, without end, without exception, without expression, without foundation, without graciousness, without moderation, without modesty, without reasoning, without rhyme or reason, without stopping, without sympathy, without warning