adjective
BAD : Children are very sensible; they all need love and attention.
GOOD : Children are very sensitive; they all need love and attention.
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Use sensible to describe someone who makes good decisions based on reason, and never behaves in a stupid or dangerous way: 'I'm glad to see that she was sensible enough to bring some warm clothes.' 'Be sensible - you can't wear high heels to a garden party.'
Use sensitive to describe someone who is easily upset or offended: 'He's very sensitive about his weight, so try not to mention it.' 'Don't be so sensitive - he was only joking.'