This is a cool idea, and the execution is also good I think. Cohesive art-style and mood is always a plus for me.
I like that from level 3 onwards they’re all describing the word in a different roundabout way as well. Gives it a sort of cryptic crossword feel.
What I’m really missing is an undo function though … even a single undo would help. I often rely on undo chain in turn-based puzzles.
‘Spoiler’: Well, I may or may not be likeable, but I got an appointment at work now. (Guess who spent some amount of time making the word likable instead of the correct solution :-P …)