diluted
v. B2 Upper Intermediate US //daɪˈɫutəd// UK //daɪlˈuːtɪd// di·lut·ed
v. weaker or less strong because something has been added to it. You use this when a liquid has water mixed in, or when an idea has been made less clear.
v. made weaker, thinner, or less intense by adding another substance or by reducing concentration. Often used metaphorically for ideas, authority, or effects that have lost their original strength.
The juice tastes weak because it is diluted.
The company diluted its shares to raise more money from investors.
The original proposal was so heavily diluted by committee amendments that it no longer reflected the author's intent.
Usage
The adjective is often used with 'water' or 'acid' in scientific contexts; metaphorically applied to abstract concepts like 'power' or 'meaning'.