fickle, beமனம் மாறுmaṉam māṟu(manasu maaru)(3 intr (+ dat))be capricious, flighty, whimsical, or changeable; change o's mind often; be variable in o's affections; run hot and cold about s.o. or s.t.
Usage:
அவனுக்கு மனது அடிக்கடி மாறும்avaṉukku maṉatu aṭikkaṭi māṟum
avanukku aḍikkaḍi manasu maarum.
He's fickle-minded; he changes his mind a lot.