adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Not energetic; without energy.

Adjective

1. 1
   deficient in alertness or activity wordnet
2. 2
   not inclined to be enterprising wordnet

Synonyms

All synonyms

absent energylethargicmore lethargicnonenergyslowgoingsluggish

Antonyms

All antonyms

peppierénergiquegreat vigorpartially energetic

Etymology

From un- + energetic.