| Word | Definitions | Synonyms |
|---|---|---|
| treacherously | (adverb) in a disloyal and faithless manner | Synonyms: faithlessly, false, traitorously, treasonably |
| treasonably | (adverb) in a disloyal and faithless manner | Synonyms: faithlessly, false, traitorously, treacherously |
| tremendously | (adverb) vastly | Synonyms: enormously, hugely, staggeringly |
| tremulously | (adverb) in a tremulous manner | - |
| trenchantly | (adverb) in a vigorous and effective manner | - |
| trepidly | (adverb) in a timorous and trepid manner | Synonyms: timorously |