Related Clues:

• Bring into use, strength or influence
• Stress or make taut
• Exert much effort
• Trains under stress and pressure
• Bring strength into use
• Binge, fling
• 'Stress, tension (6)'
• Start with the bed and smear it all over the place
• The way to try to get four in among the rest
• Struggle earnestly
• There's nothing in such a reign to make one pretend it's not there
• Try hard to get the river to the right a little
• When the street gets wet it makes one 15 across
• One would have to use force to get ten into the tree
• Half way along the street I have got to make an effort