Tack on
Crossword clue · 3 known answers · 5 appearances · Last seen in the Wall Street Journal crossword on July 23, 2026
Latest answer · Verified
ADD
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About this clue
The clue “Tack on” has appeared 5 times in our database with 3 different answers, so count the squares in your grid and check the crossings before you commit. Most recently it ran in the Wall Street Journal crossword on July 23, 2026, where the answer was ADD.
More from the Wall Street Journal, Jul 23
See all 76 cluesRelated clues
Other clues whose answer is ADD
Put two and two together
Solve a math problem that has a plus sign
Do some arithmetic
Befriend, on social media
___ up to the same thing (be equivalent)
Append
Tally up
Throw in
Calculate the total
If you can't do this up, are you nonplussed?
___ insult to injury (make a bad situation worse)
Contribute something more