good as (one's) word

(redirected from good as their word)

good as (one's) word

Trustworthy, reliable, and will do what one has promised. If Bob said he'll be here at nine, then he'll be here at nine—he's good as his word. I was worried that Ms. Alberts would forget about her promise of no homework over the weekend, but she was good as her word!
See also: good, word