1.
exhausted; worn out
Describes being extremely tired or fatigued, completely drained of energy.
2.
limp; soft and wilted
Describes something that has become soft and limp, like overcooked vegetables.
くたくた is a 擬態語 (mimetic word) with two related meanings: exhaustion and limpness/softness from overcooking.
MEANING 1 — EXHAUSTION:
MEANING 2 — OVERCOOKED/LIMP:
SIMILAR WORDS (exhaustion):
Related Words
Synonym:
へとへと (exhausted (physical))
Synonym:
ぐったり (limp, drained)
Compare:
ぐだぐだ (sluggish, sloppy)
Compare:
しんなり (wilted, softened, limp)