Covertly
Stealthy , stealthily ,ninja
more secretly, most secretly
Another word is but
another word for very large
another word for the word suffice is- be enough
looking at someone secretly with out then knowing or a noob
told secretly
The word for looking at someone or something secretly is "spying" or "peeking".
The word you are looking for is "conspire". It means to plan something secretly with others.
No secretly s an adverb, secret can be an adjective eg She has a secret friend
infatuated?
Secretly is an adverb. It modifies verbs by providing information on how an action is performed.
If by secretly you meant cautiously then walking stealthily or tip toeing .
secretly
Peep.
secretly talk
ELOPE