1. (adjective) extraordinarily good or great ; used especially as intensifiers

• fantastic
• grand
• howling
• marvellous
• marvelous
• rattling
• tremendous
• wonderful
• wondrous

2. (adjective) causing extreme terror

• terrifying

1. (adjective) very great or intense

• intense

2. (adjective) extraordinarily good or great ; used especially as intensifiers

• extraordinary

3. (adjective) causing extreme terror

• alarming

1. (adjective) extraordinarily good or great ; used especially as intensifiers

• admirability
• admirableness
• wonderfulness
• brilliance
• grandeur
• grandness
• magnificence
• splendor
• splendour
• marvel
• wonder