in and out
[adverb]
Synonyms: thoroughly, completely, detailedly, exhaustively, inside out, up and down

[TahlilGaran] English Synonym Dictionary ▲

in and out adverbial & adjectival phr. [ɪn (ǝ)nd 'aʊt] Also (the usual form as adjective) in-and-out. ME.
[from IN adverb + AND conjunction¹ + OUT adverb.]
A. adverbial phr.
1. Alternately in and out; now in, now out. ME.

2. Inside and outside. L19.
b. adjectival phr. Designating a person who or thing which is alternately in and out of something. M17.
in-and-out boy, in-and-out man slang a man who is in and out of prison; a burglar. in-and-out work discontinuous work; irregular or illegal practice.

■ in-and-outer noun a person who is only moderately skilled, or erratic in performance; a person who holds office intermittently: E20.

[TahlilGaran] English Dictionary ▲

in and out
coming in and going out often
He has been in and out all day but I don't know where he is at the moment.

[TahlilGaran] English Idioms Dictionary ▲

in and out
adv. phr.
1. Coming in and going out often.
He was very busy Saturday and was in and out all day.
2. See: INSIDE OUT².

[TahlilGaran] English Idioms Dictionary ▲