What does 尽 mean and what tone does it have in 对我父母也极尽照顾? This question is about 尽 in this snippet:


  不仅对我好，对我父母也极尽照顾，。。。
  Bùjǐn duì wǒ hǎo, duì wǒ fùmǔ yě jí [jìn/jǐn] zhàogù, ...
  嫁给离婚带孩子的男人 我的生活只剩下两个字, guaixun.com


I translate this to something like:


  Not only did he treat me well, he did his extreme utmost to look after my parents, ...


Here 尽 means something like "exhaust" or "utmost", but there appears to be a different meaning depending on the tone.  The Perapera Chinese Popup Dictionary shows the following:



Both of these seem to make sense in this context.

Question: What does 尽 mean and what tone does it have in 对我父母也极尽照顾?
Many dictionaries have a single entry for 极尽.
All with the pronunciation:

jíjìn

ABC

V.
use to the utmost

KEY

V
1 exhaust (one's ability, etc.), try one's best within the limits of
2 perform/fulfil to the utmost (a duty, etc.)
3 (before an adjective:) extremely, to the utmost

PLC

VERB
do one's utmost
极尽所能
jíjìn suǒnéng
do one’s best