consume

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To take in as food; eat or drink up. See Synonyms at eat.
2. v. To expend; use up: engines that consume less fuel; a project that consumed most of my time and energy.
3. v. To purchase (goods or services) for direct use or ownership.
4. v. To waste; squander. See Synonyms at waste.
5. v. To destroy totally; ravage: flames that consumed the house; a body consumed by cancer.
6. v. To absorb; engross: consumed with jealousy. See Synonyms at monopolize.
7. v. To be destroyed, expended, or wasted.
8. v. To purchase economic goods and services: a society that consumes as fast as it produces.

Century Dictionary and Cyclopedia

1. To destroy by separating into parts which cannot be reunited, as by decomposition, burning, or eating; devour; use up; wear out; hence, destroy the substance of; annihilate.
2. Specifically To destroy by use; dissipate or wear out (a thing) by applying it to its natural or intended use: as, only a, small part of the produce of the West is consumed there; in an unfavorable sense, waste; squander: as, to consume an estate.
3. To cause to waste away; make thin.
4. To bring to utter ruin; exterminate.
5. To make use of; employ the whole of; fill out; spend: with reference to time.
6. Synonyms Devour, etc. (see eat); swallow up, use up, engulf, absorb, lavish, dissipate, exhust.
7. To waste (away); become wasted or attenuated.
8. To be destroyed as by use, burning, etc: as, the fire was lighted, and the wood consumed away.

Wiktionary

1. v. transitive To use.
2. v. transitive To eat.
3. v. transitive To completely occupy the thoughts or attention of.
4. v. transitive To destroy completely.
5. v. intransitive, obsolete To waste away slowly.

GNU Webster's 1913

1. v. To destroy, as by decomposition, dissipation, waste, or fire; to use up; to expend; to waste; to burn up; to eat up; to devour.
2. v. To waste away slowly.

WordNet 3.0

1. v. use up (resources or materials)
2. v. serve oneself to, or consume regularly
3. v. engage fully
4. v. spend extravagantly
5. v. destroy completely
6. v. eat immoderately