fixed

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Firmly in position; stationary.
• adjective Determined; established; set.
• adjective Not subject to change or variation; unchanging.
• adjective Not readily evaporating; nonvolatile.
• adjective Being in a stable, combined form.
• adjective Firmly, often dogmatically held.
• adjective Persistently occurring in the mind; obsessive.
• adjective Supplied, especially with funds. Often used in combination.
• adjective Illegally prearranged as to outcome.

from The Century Dictionary.

• Firm; fast; stable; permanent; of a determinate or unfluctuating character; hence, appointed; settled; established: as, fixed laws; a fixed sum; fixed prices; a fixed time; fixed habits or opinions.
• Permanently placed or situated; established as to position or relation: as, the planets have fixed orbits; the fixed stars (so called from their always appearing to occupy the same place).
• In heraldry, same as firme.
• In zoology, not free or locomotory; rooted or otherwise attached to some object.
• In com., without grace or days of grace: said of drafts and other commercial papers payable on a specified date without grace.

from the GNU version of the Collaborative International Dictionary of English.

• adjective Securely placed or fastened; settled; established; firm; imovable; unalterable.
• adjective (Chem.) Stable; non-volatile.
• adjective (Old Chem.) carbonic acid or carbon dioxide; -- so called by Dr. Black because it can be absorbed or fixed by strong bases. See Carbonic acid, under Carbonic.
• adjective (Old Chem.) a non-volatile base, as soda, or potash, in distinction from the volatile alkali ammonia.
• adjective (Mil.) a projectile and powder inclosed together in a case ready for loading.
• adjective (Mil.) a battery which contains heavy guns and mortars intended to remain stationary; -- distinguished from movable battery.
• adjective those which can not be volatilized or separated by a common menstruum, without great difficulty, as gold, platinum, lime, etc.
• adjective See the Note under Capital, n., 4.
• adjective [Colloq.] a well established fact.
• adjective one which emits constant beams; -- distinguished from a flashing, revolving, or intermittent light.
• adjective (Chem.) non-volatile, oily substances, as stearine and olein, which leave a permanent greasy stain, and which can not be distilled unchanged; -- distinguished from volatile or essential oils.
• adjective (Mil.) the fixed point about which any line of troops wheels.
• adjective (Astron.) such stars as always retain nearly the same apparent position and distance with respect to each other, thus distinguished from planets and comets.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb Simple past tense and past participle of fix.
• adjective Not changing, not able to be changed, staying the same.
• adjective Stationary.
• adjective Attached; affixed
• adjective Chemically stable.
• adjective Supplied with what one needs.
• adjective legal To record a sound on a permanent medium

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective incapable of being changed or moved or undone; e.g.
• adjective fixed and unmoving
• adjective (of a number) having a fixed and unchanging value
• adjective securely placed or fastened or set