[1] : The Collaborative International Dictionary of English v.0.48

loose \loose\ l=oos, a. compar. looser l=oos"~er;
   superl. loosest. oe. loos, lous, laus, icel. lauss; akin
   to od. loos, d. los, as. le'as false, deceitful, g. los,
   loose, dan.  sw. l"os, goth. laus, and e. lose. root127.
   see lose, and cf. leasing falsehood.
   1. unbound; untied; unsewed; not attached, fastened, fixed,
      or confined; as, the loose sheets of a book.
      1913 webster

            her hair, nor loose, nor tied in formal plat.
                                                  --shak.
      1913 webster

   2. free from constraint or obligation; not bound by duty,
      habit, etc.; -- with from or of.
      1913 webster

            now i stand
            loose of my vow; but who knows cato's thoughts ?
                                                  --addison.
      1913 webster

   3. not tight or close; as, a loose garment.
      1913 webster

   4. not dense, close, compact, or crowded; as, a cloth of
      loose texture.
      1913 webster

            with horse and chariots ranked in loose array.
                                                  --milton.
      1913 webster

   5. not precise or exact; vague; indeterminate; as, a loose
      style, or way of reasoning.
      1913 webster

            the comparison employed . . . must be considered
            rather as a loose analogy than as an exact
            scientific explanation.               --whewel.
      1913 webster

   6. not strict in matters of morality; not rigid according to
      some standard of right.
      1913 webster

            the loose morality which he had learned. --sir w.
                                                  scott.
      1913 webster

   7. unconnected; rambling.
      1913 webster

            vario spends whole mornings in running over loose
            and unconnected pages.                --i. watts.
      1913 webster

   8. lax; not costive; having lax bowels. --locke.
      1913 webster

   9. dissolute; unchaste; as, a loose man or woman.
      1913 webster

            loose ladies in delight.              --spenser.
      1913 webster

   10. containing or consisting of obscene or unchaste language;
       as, a loose epistle. --dryden.
       1913 webster

   at loose ends, not in order; in confusion; carelessly
      managed.

   fast and loose. see under fast.

   to break loose. see under break.

   loose pulley. mach. see fast and loose pulleys, under
      fast.

   to let loose, to free from restraint or confinement; to set
      at liberty.
      1913 webster
see also:
looser loosest lose leasing at loose ends fast and loose 
fast to break loose break loose pulley fast and loose pulleys 
to let loose 

[2] : The Collaborative International Dictionary of English v.0.48

fast \fast\, a. compar. faster; superl. fastest. oe.,
   firm, strong, not loose, as. faest; akin to os. fast, d.
   vast, ohg. fasti, festi, g. fest, icel. fastr, sw.  dan.
   fast, and perh. to e. fetter. the sense swift comes from the
   idea of keeping close to what is pursued; a scandinavian use.
   cf. fast, adv., fast, v., avast.
   1. firmly fixed; closely adhering; made firm; not loose,
      unstable, or easily moved; immovable; as, to make fast the
      door.
      1913 webster

            there is an order that keeps things fast. --burke.
      1913 webster

   2. firm against attack; fortified by nature or art;
      impregnable; strong.
      1913 webster

            outlaws . . . lurking in woods and fast places.
                                                  --spenser.
      1913 webster

   3. firm in adherence; steadfast; not easily separated or
      alienated; faithful; as, a fast friend.
      1913 webster

   4. permanent; not liable to fade by exposure to air or by
      washing; durable; lasting; as, fast colors.
      1913 webster

   5. tenacious; retentive. obs.
      1913 webster

            roses, damask and red, are fast flowers of their
            smells.                               --bacon.
      1913 webster

   6. not easily disturbed or broken; deep; sound.
      1913 webster

            all this while in a most fast sleep.  --shak.
      1913 webster

   7. moving rapidly; quick in mition; rapid; swift; as, a fast
      horse.
      1913 webster

   8. given to pleasure seeking; disregardful of restraint;
      reckless; wild; dissipated; dissolute; as, a fast man; a
      fast liver. --thackeray.
      1913 webster

   9. in such a condition, as to resilience, etc., as to make
      possible unusual rapidity of play or action; as, a fast
      racket, or tennis court; a fast track; a fast billiard
      table, etc.
      webster 1913 suppl.

   fast and loose, now cohering, now disjoined; inconstant,
      esp. in the phrases to play at fast and loose, to play
      fast and loose, to act with giddy or reckless inconstancy
      or in a tricky manner; to say one thing and do another.
      "play fast and loose with faith." --shak.

   fast and loose pulleys mach., two pulleys placed side by
      side on a revolving shaft, which is driven from another
      shaft by a band, and arranged to disengage and re"engage
      the machinery driven thereby. when the machinery is to be
      stopped, the band is transferred from the pulley fixed to
      the shaft to the pulley which revolves freely upon it, and
      vice versa.

   hard and fast naut., so completely aground as to be
      immovable.

   to make fast naut., to make secure; to fasten firmly, as
      a vessel, a rope, or a door.
      1913 webster
see also:
faster fastest fast avast fast and loose fast and loose pulleys 
hard and fast to make fast 

[3] : Moby Thesaurus II by Grady Ward, 1.0

71 moby thesaurus words for "fast and loose":
   adrift, afloat, alternating, amorphous, capricious, changeable,
   changeful, desultory, deviable, dizzy, eccentric, erratic, fickle,
   fitful, flickering, flighty, flitting, fluctuating, freakish,
   giddy, impetuous, impulsive, inconsistent, inconstant, indecisive,
   infirm, irregular, irresolute, irresponsible, mazy, mercurial,
   moody, rambling, restless, roving, scatterbrained, shapeless,
   shifting, shifty, shuffling, spasmodic, spineless, unaccountable,
   uncertain, uncontrolled, undependable, undisciplined, unfixed,
   unpredictable, unreliable, unrestrained, unsettled, unstable,
   unstable as water, unstaid, unsteadfast, unsteady, vacillating,
   vagrant, variable, vicissitudinary, vicissitudinous, volatile,
   wandering, wanton, wavering, wavery, wavy, wayward, whimsical,
   wishy-washy

Fast And Loose >> F Words
Fast And Loose, definition of term: Fast And Loose
fast+and+loose_pag1.html

Fast >> F Words
Fast, definition of term: Fast
fast_pag1.html

Fast Scsi >> F Words
Fast Scsi, definition of term: Fast Scsi
fast+scsi_pag1.html

Fast Ethernet >> F Words
Fast Ethernet, definition of term: Fast Ethernet
fast+ethernet_pag1.html

Fast Ata >> F Words
Fast Ata, definition of term: Fast Ata
fast+ata_pag1.html

Break Loose >> B Words
Break Loose, definition of term: Break Loose
break+loose_pag1.html