- into [in′to͞o, in′too, in′tə; in to͞o′]prep.[ME < OE: see IN1 & TO1]1. from the outside to the inside of; to the midst or depths of [walked into the house, jumped into the lake]2. advancing or continuing to the midst of (a period of time) [dancing far into the night]3. to the form, substance, or condition of [turned into a swan, divided into parts]4. so as to strike; against [to bump into a door]5. to the work or activity of [to go into teaching]6. in the direction of [heading into a storm ]☆ 7. Informal involved in, interested in, or concerned with8. Arith. considered as a divisor of [3 into 21 is 7]
English World dictionary. V. Neufeldt. 2014.