Nothing beats the little jolt when a tricky clue clicks into place, and 'embarrassed' is one of those delightfully flexible entries that can point to lots of words depending on tone and letter count.
For a crossword, I lean on a few trusty synonyms: 'abashed' (7) is a classic fill that fits formal or neutral sentences; 'ashamed' (7) carries moral weight and suits clues implying guilt rather than just red cheeks; 'redfaced' (8) and 'flushed' (7) signal the physical reaction; 'sheepish' (8) suggests a
shy, slightly guilty grin; 'mortified' (9) and 'humiliated' (10) are the heavy hitters when the clue implies severe embarrassment. Shorter, casual options include 'shy' (3), 'awkward' (7), or 'bashful' (7). I also keep 'chagrined' (9) in mind for that wry, disappointed tone.
When I'm solving, I match the clue's mood and any crossing letters first. A clue like "Red in the face, maybe (8)" screams 'redfaced', while "Embarrassed about a mistake (9)" might be 'mortified' or 'chagrined' depending on crossings. If the clue leans mildly comic or self-effacing, 'sheepish' or 'bashful' works great. For more formal crossword setters, 'abashed' is almost a go-to. I love how one concept spawns so many shades of meaning—keeps the grid lively and the language fun.