Exact historical dictionary sense
Terrible in Webster's 1913 dictionary
The 1913 record labels terrible as adjective. Its source-bounded etymology and selected historical definition appear below.
[F., fr. L. terribilis, fr. terrere to frighten. See Terror.]
Cross-verified historical senseIn Webster's Revised Unabridged Dictionary (1913), "terrible" is labeled adjective. Its etymology is recorded as: "[F., fr. L. terribilis, fr. terrere to frighten. See Terror.]" The selected historical definition says: "Adapted or likely to excite terror, awe, or dread; dreadful; formidable."