Intermediate (B1)
IPA: /ˈθæŋk.ləs.nəs/
KK: /θæŋkˈlɛs.nəs/
Definition
The quality of not being grateful or appreciative; a lack of thanks or recognition for something done.
Example
His thanklessness for the help he received surprised everyone.
Conversation

I feel like sometimes we work so hard and get no appreciation.

Yeah, it can be tough when it feels like thanklessness surrounds us.

Exactly! It's disheartening to put in effort and not receive any recognition.

I know what you mean; we should focus on the positives instead.
Synonyms & Antonyms
Synonyms
ingratitude
ungratefulness
disregard
Antonyms
gratitude
thankfulness
appreciation
Root Explanation
Thanklessness → It is formed from "thank" (from Old English *þanc*, meaning gratitude or thanks) and "-lessness" (meaning without). The word "thanklessness" refers to the state of being without gratitude or appreciation.
Memory Tip
Think of being 'without' ('-lessness') 'gratitude' ('thank') — that's why thanklessness means a lack of thankfulness.
Visually Confused Words
tracklessness
thornlessness
taintlessness
stainlessness
taxlessness
manlessness
hatlessness
haplessness