tepidness
Neither hot nor cold
Tepidness is the quality of being tepid—lukewarm in temperature or halfhearted in enthusiasm.
Water that's neither hot nor cold has tepidness.
More often the word describes lackluster responses or commitments: The tepidness of the applause told her the speech had fallen flat.
The noun form tepidity means the same thing.
Lacking sincerity or zeal
- unenthusiasticWithout eagerness or passion
- lukewarmMildly warm temperature
- indifferentLacking interest or concern
- apatheticWithout feeling or concern
dispassionate · unmoved · unexcited · cool · reserved · detached · nonchalant · passionless
Lacking brilliance or vitality
- uninspiredLacking creative spark
- listlessLacking energy or enthusiasm
- passiveNot actively participating
- languidWeak and without vigor
lethargic · sluggish · torpid · dull · lifeless · spiritless · uninterested · bored
Mildly warm temperature
- warmishSomewhat elevated in temperature
- room-temperatureStandard indoor conditions
- coolishMildly chilly
- temperateMild, avoiding extremes
Of only moderate quality
- uninspiringFailing to excite interest
- blandLacking distinctive qualities
- insipidWithout flavor or interest
- vapidDull, without depth
flat · stale · unexciting · unremarkable · forgettable · middling · so-so · pedestrian
half-hearted
Lacking sincerity or zeal
- unenthusiasticWithout eagerness or passion
- lukewarmMildly warm temperature
- indifferentLacking interest or concern
apathetic · dispassionate · unmoved · unexcited · cool · reserved · detached · nonchalant · passionless · unresponsive
lackluster
Lacking brilliance or vitality
- uninspiredLacking creative spark
- listlessLacking energy or enthusiasm
- passiveNot actively participating
languid · lethargic · sluggish · torpid · dull · lifeless · spiritless · uninterested · bored · weary
lukewarm
Mildly warm temperature
- warmishSomewhat elevated in temperature
- room-temperatureStandard indoor conditions
- coolishMildly chilly
mediocre
Of only moderate quality
- uninspiringFailing to excite interest
- blandLacking distinctive qualities
- insipidWithout flavor or interest
vapid · flat · stale · unexciting · unremarkable · forgettable · middling · so-so · pedestrian · undistinguished
- half-heartednesslukewarmness, token effort, unenthusiasm, going through motions
- avoidanceavoidance, distancing, evasion, dodging, pulling away
- gentle qualitiesgentleness, softness, kindness, tenderness, calmness
- nonchalancenonchalance, insouciance, casualness, indifference, unconcern