Synonyms of the word

lukewarm

• adj. (temperature) Between warm and cool.
• adj. (social) Not very enthusiastic (about a proposal or an idea).

half-hearted

• adj. Not sincere; lacking full energy, effort, commitment, or resolve.
• adj. (obsolete) Lacking in heart or spirit; ungenerous; unkind.

halfhearted

• adj. Alternative spelling of half-hearted.

tepid

• adj. Lukewarm; neither warm nor cool.
• adj. Uninterested; exhibiting little passion or eagerness.

unenthusiastic

• adj. Without enthusiasm; unexcited.

warm

• adj. Having a temperature slightly higher than usual, but still pleasant; mildly hot.
• adj. Caring and friendly, of relations to another person.
• adj. Having a color in the red-orange-yellow part of the visible electromagnetic spectrum.
• adj. Close, often used in the context of a game in which "warm" and "cold" are used to indicate nearness to…
• adj. (figuratively) Communicating a sense of comfort, ease, or pleasantness.
• adj. (archaic) Ardent, zealous.
• adj. (archaic) Being well off as to property, or in good circumstances; rich.
• adj. (archaic) Requiring arduous effort.
• v. (transitive) To make or keep warm.
• v. (intransitive) To become warm, to heat up.
• v. (intransitive) To favour increasingly.
• v. To become ardent or animated.
• v. To make engaged or earnest; to interest; to engage; to excite ardor or zeal in; to enliven.
• n. (colloquial) The act of warming, or the state of being warmed; a heating.