Definition of frightfully in English:
adverb[as submodifier] dated
Very (used for emphasis): it was frightfully hot I’m frightfully sorry
More example sentences
- My muscles are still frightfully sore, but they are looser then yesterday.
- The number of people who decided whether or not our song would be played was frightfully small.
- Everyone thought that was frightfully romantic!
Definition of frightfully in:
- US English dictionary