responsive
adjectiveUK /rɪˈspɒn.sɪv/
US /rɪˈspɑːn.sɪv/
Quick to react or answer in a helpful way.
The responsive puppy came running as soon as I called its name.
RELATED WORDS
OTHER MEANINGS
2. Easily moved or affected by feelings; sympathetic.
The teacher was responsive to her students' worries.
3. Able to change size or layout to fit different screens.
This website is responsive, so it looks good on phones and computers.
4. Answering or replying to something.
She was responsive to my email within minutes.