This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. comparative form of tender: more tender

n. One who tenders (a bid, a contract, etc.).

n. One who or that which makes tender: as, a meat-tenderer.

n. One who makes a tender or offer.

"Although he said nothing to her that he could not have said before everybody, he felt that she was becoming more and more dependent upon him, and the more he felt this, the better he liked it, and the tenderer was his feeling for her."

tenderizer   

frailer    shyer    tenderest    sisterly    intenser    brotherly    divinest    fatherly    gentlest    warmest