(literary) without saying a word, without uttering a word, without a word, silently

(literary) without spending a penny, without spending a dime

wireless network

(informal) without saying a word, without uttering a word, without a word, silently

(law, finance) bounced cheque

soak (drunkard)

(literally) dead end / (figuratively) dead end

plural of réseau sans fil

(transitive) to take by surprise, to catch off guard, to catch napping

there's no great merit in achieving something that's too easy