Below are possible answers for the crossword clue Fussy creature's heartless.
4 letter answer(s) to fussy creature's heartless
ANAL
a stage in psychosexual development when the child's interest is concentrated on the anal region; fixation at this stage is said to result in orderliness, meanness, stubbornness, compulsiveness, etc.
of or related to the anus; "anal thermometer"
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