1 to raise

2 to increase

1 newly added

2 additional

3 to add (to what already exists)

1 to increase

2 to expand

3 to add

1 to increase

2 to strengthen

1 to add

2 to increase

1 to besiege and strike the relief force (idiom); strategy of surrounding a unit to entice the enemy to reinforce, then striking the new troops

1 out of ammunition and no hope of reinforcements (idiom); in desperate straits

1 constantly increasing without limit (idiom); rapid progress in all directions

1 to increase without letup

2 to get worse and worse (idiom)

1 (self-deprecating) to have grown old without accomplishing anything (idiom)