'Bunchy' definitions:

Definition of 'bunchy'

adjective

Occurring close together in bunches or clusters

From: GCIDE

Bunchy \Bunch"y\, a.
1. Swelling out in bunches. [1913 Webster]
An unshapen, bunchy spear, with bark unpiled. --Phaer. [1913 Webster]
2. Growing in bunches, or resembling a bunch; having tufts; as, the bird's bunchy tail. [1913 Webster]
3. (Mining) Yielding irregularly; sometimes rich, sometimes poor; as, a bunchy mine. --Page. [1913 Webster]

From: GCIDE

concentrated \concentrated\ adj.
1. Having a high density of (the indicated substance); as, a narrow thread of concentrated ore.
Note: [Narrower terms: undiluted (vs. diluted)] [WordNet 1.5]
2. Gathered together or made less diffuse; as, their concentrated efforts; his concentrated attention. Opposite of distributed or diffused.
Note: [Narrower terms: bunched, bunchy, clustered; centered, centred, centralized, focused; undivided] [Also See: compact.] [WordNet 1.5]
3. Intense; in an extreme degree; -- of mental phenomena; as, her concentrated passion held them at bay. [WordNet 1.5]
4. being the most concentrated solution possible at a given temperature; unable to dissolve still more of a substance. Opposite of dilute or unsaturated.
Note: [Narrower terms: supersaturated]
Syn: saturated. [WordNet 1.5]
5. reduced to a stronger or more concentrated form; as, concentrated sulfuric acid. Opposite of diluted.
Syn: condensed. [WordNet 1.5]
6. characterized by intensity; especially when imposed from without; -- of actions; as, concentrated study.
Syn: intensive. [WordNet 1.5]
7. characterized by mental concentration.
Syn: intent. [WordNet 1.5 +PJC]