If someone is spiritless, they lack energy, courage, and liveliness.
例句
They were too spiritless even to resist.他們無精打采的，甚至都沒有抵抗。
英英詞典釋義
Adjective
1. lacking ardor or vigor or energy;
"a spiritless reply to criticism"
2. lacking spirit;
"it was a spiritless attempt"
3. evidencing little spirit or courage; overly submissive or compliant;
"compliant and anxious to suit his opinions of those of others""a fine fiery blast against meek conformity"- Orville Prescott"she looked meek but had the heart of a lion""was submissive and subservient"