[in mint condition] {adj. phr.} Excellent; as good as new. * […]

[in my book] See: [BY MY BOOK].

[in name] {adj.} or {adv. phr.} Having a title, but not […]

[in need of] {adj. phr.} Destitute; lacking something. * /The young […]

[in no time] or [in nothing flat] {adv. phr.}, {informal} In […]

[in no uncertain terms] See: [IN SO MANY WORDS] (2).

[in nothing flat] See: [IN NO TIME].

[in on] {prep.} 1. Joining together for. * /The children collected […]

[in one ear and out the other] See: [GO IN ONE […]

[in one fell swoop] or [at one fell swoop] {adv. phr.} […]