The Times Concise puzzle clues 2016 Mar 30

• Act nervously Crossword Clue
• A good time ago Crossword Clue
• Allow something not usually allowable Crossword Clue
• Angled mark or notch Crossword Clue
• Be important; substance Crossword Clue
• Capital of Tennessee Crossword Clue
• Cruel or mean person Crossword Clue
• Decoration Crossword Clue
• Extremest Crossword Clue
• Falling ice Crossword Clue
• Instrument for measuring pitch; not remote (anag.) Crossword Clue
• Mad or eccentric person Crossword Clue
• Megalithic stone arch Crossword Clue
• Oxford examinations Crossword Clue
• Plant with featherlike leaves Crossword Clue
• System or group of parallel mountain ranges Crossword Clue
• Until now Crossword Clue