Synonyms: heimelijk, in bedekte termen, sluiks, tersluiks
| Part of speech | adverb |
|---|---|
| Pronunciation | /stels/ |
| Hyphenation | steels |
| English | clandestinely; secretly; surreptitiously; undercover |
|---|---|
| Esperanto | kaŝe |
| German | verstohlen; heimlich; insgeheim |
| Latin | absconse; arcano; celatim |