1. (a.) Unrestrained; increasing, raging; as, rampant growth of weeds\.

2. (v.) Ascending; climbing; rank in growth; exuberant.

3. (v.) Rising with fore paws in the air as if attacking; -- said of a beast of prey, especially a lion. The right fore leg and right hind leg should be raised higher than the left.

abandoned abounding abundant affluent all-sufficing ample anabatic aplenty ascendant ascending ascensional ascensive average besetting bolt upright bottomless bounteous bountiful climbing common copious current diffuse disobedient disorderly dominant downright effuse elevated epidemic erect everywhere exalted excessive exhaustless extravagant exuberant fat fertile flourishing flush frenzied full galore generous go-go headstrong heady high immoderate in control in plenty in quantity in the ascendant incontinent indiscriminate indulgent inexhaustible inordinate insubordinate intemperate irrepressible irresponsible lavish lawless lax leaping liberal licentious lifted lofty loose luxuriant many maximal mounting much mutinous nonrestrictive normal numerous obstreperous on stilts opulent ordinary out of control out of hand overflowing pandemic permissive plenitudinous plenteous plentiful plenty popular predominant predominating prevailing prevalent prodigal productive profuse profusive raised rank rearing regnant reigning reinless replete revolutionary rich rife riotous rising routine ruling running running over running wild saltatory scandent scansorial self-willed skyrocketing spiraling springing stand-up standard standing up stereotyped stilted sublime superabundant teeming terrorist unaccountable unbounded unbridled unchecked uncoerced uncompelled unconstrained uncontrollable uncontrolled uncurbed undisciplined unforced ungoverned uninhibited unmastered unmeasured unmuzzled unreined unrepressed unreserved unrestrained unrestrictive unruly unsubdued unsuppressed uparching upcast upcoming upended upflung upgoing upgrade uphill uphillward uplifted upraised upreared upright uprising upsloping upstanding upthrown upward upwith usual vertical violent wanton wealthy well-found well-furnished well-provided well-stocked wholesale widespread wild wildcat willful