eke out

1.  Supplement, make last, as in The survivors eked out their food and water until they were rescued. [Late 1500s]
2.  Get with great difficulty or effort, as in The soil was terrible but they managed to eke out a living by rotating crops. [Early 1800s]

Definition: make something last
Antonyms: use up, waste

The verb has 4 meanings:

Meaning #1: supplement what is thought to be deficient
  Synonym: fill out

Meaning #2: live from day to day, as with some hardship

Meaning #3: make by laborious and precarious means
  Synonym: squeeze out

Meaning #4: obtain with difficulty
  Synonym: squeeze out