Yes, there is. Use this.
wget --mirror --convert-links --backup-converted \ --html-extension -o /home/me/weeklog \ https://www.gnu.org/
wget -m -k -K -E https://www.gnu.org/ -o /home/me/weeklog
wgetcode below, and it seemed to work fine, but I aborted it after 1 hour and 20 minutes. I have a pretty fast cable connection, but it may be slowed somewhat by my VPN. I have no idea whether the download would have completed in another minute, or another hour, or 10 hours. But you can see in my screen shot I got almost 61,000 files and folders (over 10 GB) when I quit. For a dictionary... Wow!
wgetcommand is not quite right... it came from some very old notes I have.
wget --no-clobber --no-parent --convert-links --random-wait -r -p -E -e robots=off -U mozilla https://dictionary.cambridge.org/us/