| Word | Definitions | Synonyms |
|---|---|---|
| counter | (adverb) in the opposite direction | - |
| counteractively | (adverb) in a counteractive manner | - |
| counterclockwise | (adverb) in a direction opposite to the direction in which the hands of a clock move | Synonyms: anticlockwise |
| counterintuitively | (adverb) in a counterintuitive manner | - |
| courageously | (adverb) in a courageous manner | Synonyms: bravely |
| course | (adverb) as might be expected | Synonyms: naturally, of course |
| courteously | (adverb) in a polite manner | Synonyms: politely |