1. (a.) Possible, but not certain to occur; dependent on something as yet undetermined; as, plans contingent on good weather\; incidental; casual.

2. (a.) Dependent on that which is undetermined or unknown; as, the success of his undertaking is contingent upon events which he can not control.

3. (a.) Dependent for effect on something that may or may not occur; as, a contingent estate.

4. (n.) An event which may or may not happen; that which is unforeseen, undetermined, or dependent on something future; a contingency.

5. (n.) That which falls to one in a division or apportionment among a number; a suitable share; proportion; esp., a quota of troops.

accessory accident accidental addendum addition additional adjunct adscititious adventitious adventure age group aleatory allotment allowance appendage appurtenance appurtenant ascititious at issue auxiliary band based on battalion bevy big end bigger half bit bite body boxed in brigade brushing budget bunch cabal cast casual casualty causeless chance chance hit chancy chunk circumscribed by circumstantial clique cogitable cohort collateral coming coming to be commission company complement component conceivable conceivably possible conditional conditioned contacting contingency contingent on corps coterie covey crew cross section crowd cut deal dependent dependent on depending depending on depending on circumstances destinal destiny detachment detail dicey dividend division dole end equal share event eventual eventuality eventuation extra faction fatal fate fatidic final fleet fluke fluky fortuitous fortuity fraction freak accident gang glancing grazing group grouping groupment half halver hap happening happenstance hazard hedged about by helping hinging on humanly possible iffy imaginable impingent impinging in contact in question in suspense in the balance in-group incidence incident to incidental incidental to indeterminate indirect inessential installment interest item junta last likely long odds long shot lot lucky shot materialization measure meed meeting mere chance mess mob modicum moiety movement nonessential not-self nudging occasional odd open osculatory other out-group outfit pack parcel part particular party peer group pendent pending percentage phalanx piece platoon plausible portion posse possible potential predicated on probable proportion provisional quadrant quantum quarter quota rake-off random sample ration realization regiment relative reliant remainder revolving on risky rubbing salon sample sampling secondary section sector segment set share slice small share squad stable stake steady stock string subdivision subgroup subject to subsidiary subspecies superadded superaddition superfluous supervenient supplement supplemental supplementary suspenseful tangent tangential team thinkable touching tribe troop troupe turning on ultimate unanticipated uncaused uncounted undecided undetermined unessential unestablished unexpected unfixed unforeseeable unforeseen unlooked-for unpredictable unsettled