1 insufficient

2 lacking

3 deficiency

4 not enough

5 inadequate

6 not worth

7 cannot

8 should not

1 ample

2 complete

3 hundred percent

4 a pure shade (of some color)

1 to insert

2 stick in

3 pierce

4 to take part in

5 to interfere

6 to interpose

1 to satisfy

2 to meet (the needs of)

3 satisfied

4 content

1 content with one's situation

2 to know contentment (hence happiness)

1 one talented person is enough for the job (idiom)

1 a single slip may cause everlasting sorrow (idiom)

1 not worth mentioning (idiom)

1 no use to tell others

2 let's keep this between ourselves (idiom)

1 not at all surprising (idiom)