| abstruse | (adjective) difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge | Synonyms: deep, recondite |
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| chartreuse | (adjective) of something having the yellowish green color of Chartreuse liqueur | - |
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| diffuse | (adjective) (of light) transmitted from a broad light source or reflected | Synonyms: diffused, soft |
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| (adjective) spread out; not concentrated in one place | - |
| (adjective) lacking conciseness | - |
| greenhouse | (adjective) of or relating to or caused by the greenhouse effect | - |
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| obtuse | (adjective) of an angle; between 90 and 180 degrees | - |
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| (adjective) (of a leaf shape) rounded at the apex | - |
| (adjective) slow to learn or understand; lacking intellectual acuity | Synonyms: dense, dim, dull, dumb, slow |
| (adjective) lacking in insight or discernment | Synonyms: purblind |
| profuse | (adjective) produced or growing in extreme abundance | Synonyms: exuberant, lush, luxuriant, riotous |
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| recluse | (adjective) withdrawn from society; seeking solitude | Synonyms: reclusive, withdrawn |
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