highest / greatest / too (much) / very / extremely
太
=
丶
+
大
:
Mnemonic symbol: from 太后 [tai4 hou4], the empress dowager. The empress dowager prepares for her reign in the airplane's bathroom (ai4) and has a big robot (大) as well as Tecumseh (t) fan her fresh air with petal leaves (丶).
Sherlock Holmes (sh) started a supermarket (市) in the space station's bathroom (Ø4), but all he has for sale right now are berets (亠) and towels (巾). He should have opened it at the beach!