- bril|liant [ `brıljənt ] adjective ***1. ) very intelligenta ) very skillful, impressive, or successful:It was a brilliant save by the goalie.a brilliant legal career2. ) extremely bright:The brilliant late afternoon light sparkles on the lake.He'd polished the table to a brilliant shine.3. ) BRITISH INFORMAL extremely good or enjoyable:The kids had a brilliant time.a ) SPOKEN used for showing that you are very pleased about something:Oh brilliant, I've found my key!╾ bril|liant|ly adverb:It worked brilliantly.brilliantly colored birds
Usage of the words and phrases in modern English. 2013.