single-hearted
adjective
sin·gle-heart·ed ˌsiŋ-gəl-ˈhär-təd 
: characterized by sincerity and unity of purpose or dedication
single-heartedly adverb
single-heartedness noun
Word History
First Known Use
1577, in the meaning defined above
- minimizations
- minimize
- minimized
- minimizer
- minimizers
- minimizes
- minimizing
- minimmer
- minimmest
- minims
- minimum
- minimum premium
- minimum rate
- minimum security prison
- minimum wage
- minimum wages
- minimum weight
- minimums
- minimuses
- mining
- mining claim
- mining engineer
- mining engineering
- mining geology
- minings