1
general::
Phrase(s): Not bad (at all).
1. [Someone or something is] quite satisfactory. • Bill: How do you like your new teacher? Jane: Not bad. • Bob: Is this pen okay? Bill: I guess. Yeah. Not bad. 2. [Someone or something is] really quite good. (The person or thing can be named, as in the examples.) • John: How do you like that new car of yours? Mary: Not bad. Not bad at all. • Tom: This one looks great to me. What do you think? Sue: It’s not bad.
McGrawhill's American Idioms And Phrasal Verbs