All of a sudden, abruptly, and all at once are all synonyms for suddenly. Gradually and slowly are antonyms of suddenly. And here are 22 another word for suddenly.
The adverb "suddenly" has a variety of synonyms that differ in length. 1 synonym with 6 letters, 1 synonym with 7 letters, 4 synonyms with 8 letters, 3 synonyms with 9 letters, 3 synonyms with 11 letters, 4 synonyms with 12 letters, 1 synonym with 13 letters, 1 synonym with 14 letters, 1 synonym with 15 letters, and 1 synonym with 20 letters, for a total of 20 synonyms for suddenly.
Suddenly, the lights went out.
She suddenly remembered the appointment.
The dog barked suddenly at strangers.
Suddenly, it started to rain.
| Word | Opposites | Synonyms |
|---|---|---|
| Certainly | No, possibly | Unquestionably, surely |
| Keenly | Apathetically, indifferently | Sharply, intensely |
| Student | Teacher, instructor | Undergraduate, postgraduate |
| Prudent | Unwise, imprudent, incautious, extravagant | Wise, well judged |
| Incident | Normalcy, non-occurrence | Event, occurrence |
| Dependent | Independent, self-sufficient | Conditional on, contingent on |
| Tendency | Aversion, disinclination | Propensity, proclivity |
| Added | Removed, subtracted | Included, inserted |
| Embedded | Removed, extracted | Ingrained, entrenched |
| Identify | Ignore, overlook | Recognize, single out |
| Identified | Unidentified, misidentified | Recognized, determined |
| Mainly | Bland, insipid | Mostly, for the most part |
| Identity | Anonymity, disguise | Name, specification |
| Hidden | Visible, exposed | Concealed, secret |
| Unprecedented | Normal, common | Unparalleled, unequalled |
| Burden | Relief, benefit | Load, cargo |
| Only | Also, never | At most, at best |
| Independent | Constrained, orthodox | Freethinking, individualistic |
| Evident | Unclear, hidden | Obvious, apparent |
| Evidence | Support ,and disprove | Proof, confirmation |
| Confident | Insecure, uncertain | Self-assured, assured |