Use 'addle' to describe a temporary state where thoughts are disorganized, typically due to external factors. After the three-hour lecture, my thoughts were completely addled.
Pro Tip 2/3
Negative Connotation
'Addle' suggests a negative effect on mental clarity, signifying confusion or disorientation. Trying to do taxes in a noisy café addled my mind.
Pro Tip 3/3
Human Focus
Use 'addle' especially when referring to people's minds, rather than objects or situations. The intricate puzzle addled everyone who tried it.