If I had to pick a go-to fill for the clue 'frail' in a crossword, I usually start by thinking about tone: is the puzzle talking about a body, an object, an argument, or a mood? For short slots the obvious 4-letter fill is 'WEAK' — it's clean, common in both American and British puzzles, and covers physical and metaphorical frailty. If the pattern is 6 letters, 'FEEBLE' is my immediate instinct; it carries that slightly old-fashioned, gently disdainful flavor that setters love. For something describing an object (glass, vase) I'd lean toward 'FRAGILE' (7) or 'DELICATE' (8), whereas for an elderly person's condition 'INFIRM' (6) or 'DEC ER PIT' (well, 'DECREPIT' at 8) might fit better.
Practical trick: always write down the crossing letters before committing. A slot like E almost screams 'WEAK' if the first blank isn't a vowel, but EE could be 'FEEBLE' or 'SICKLY' depending on crosses. Also pay attention to register — an editorial or literary crossword might prefer 'FEY' or 'SICKLY' for weird shades, while quick puzzles go with 'WEAK' or 'FEEBLE.' Context clues in the clue wording matter too: 'frail structure' probably points to 'RICKETY,' while 'frail health' nudges toward 'AILING' or 'INFIRM.'
If the puzzle is cryptic, remember that 'frail' could be used as the definition at either end and that the rest of the clue may hide wordplay (anagram indicators, hidden words, charade pieces). I once solved a cryptic where 'frail' was the definition and the answer was 'PUNY' — short, sharp, and perfectly clued by the crosses. My rule of thumb: list plausible synonyms by length, match tone, then lock it in with crossings. For me, 'FEEBLE' has a satisfying crossword vibe; 'WEAK' is the reliable short fill; 'FRAGILE' reads nicely when the clue imagines something breakable. Happy solving — I get a little buzz when the right synonym clicks into place.