Found 2 items, similar to fast-growing.
English → English (WordNet) Definition: fast-growing fast-growing adj : tending to spread quickly; “an aggressive tumor” [syn: aggressive, fast-growing(a)]
English → English (gcide) Definition: fast-growing fast-growing \fast-growing\ adj. tending to spread quickly; -- used mostly of plants. [prenominal] [Narrower terms: {invasive (vs. noninvasive) ] Syn: aggressive. [WordNet 1.5]