I get a real kick out of five-minute puzzle sprints, and 'uncanny' is one of those deliciously ambiguous clues that can be cracked fast if you stay calm and methodical.
First I decide whether the setter is asking a straight definition or a cryptic twist. For a straightforward clue like "uncanny" the most common short fills that pop into my head are 'eerie' (5), 'weird' (5), 'strange' (7), or 'odd'/'eerie' for very short slots. I scan the crossings: if the pattern is E R E, 'eerie' snaps into place; if it's W E I R D, 'weird' fits. In my head I'm juggling letter patterns — if the third letter is A, 'strange' becomes attractive immediately. That pattern recognition shaves seconds off the clock.
If the puzzle looks cryptic, I flip gears. 'Uncanny' can be the definition or an anagram indicator. I check for hidden words, reversals, or homophones in the clue. A quick trick: mark small words like 'of', 'in', 'by' as likely linkers, and hunt for longer letter groups that could be shuffled. Between pattern matching, common synonyms, and a snappy cryptic parse, I regularly crack that kind of clue in under five minutes. The little victory is always worth the buzz — keeps me glued to the next puzzle.