concentrated
/ˈkɑnsəntɹeɪtɪd/ adjective B2- Not dilute; having a high concentration. · We made a drink from concentrated orange juice.
- Intense; directed towards a specific location. · The concentrated fire from the enemy destroyed our fortifications.
From the library
Otherwise your energy and attention must be dissipated instead of being concentrated.
I handed him the letter, which he read with the most concentrated attention.
Some light, however, was breaking through one of them, so I concentrated my attention upon this.
It is true that a shutter had half closed outside and obstructed the view, but none the less it was certainly at the window that Holmes was fixing his concentrated attention.
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