Old bath water quality

• Lukewarm quality
• A warmness resembling the temperature of the skin
• Lack of passion, force or animation

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Tepid \Tep"id\, a. [L. tepidus, fr. tepere to be warm; akin to Skr. tap to be warm, tapas heat.] Moderately warm; lukewarm; as, a tepid bath; tepid rays; tepid vapors. -- Tep"id*ness , n.

Wiktionary Word definitions in Wiktionary
n. The property of being tepid.

WordNet Word definitions in WordNet
n. a warmness resembling the temperature of the skin [syn: lukewarmness , tepidity ] lack of passion, force or animation [syn: lukewarmness ]