- to ► PREPOSITION 1) expressing direction or position in relation to a particular location, point, or condition. 2) chiefly Brit. (in telling the time) before (the hour specified). 3) identifying the person or thing affected. 4) identifying a particular relationship between one person or thing and another. 5) indicating a rate of return on something. 6) indicating that two things are attached. 7) governing a phrase expressing someone's reaction to something: to her astonishment, he smiled. 8) used to introduce the second element in a comparison.► INFINITIVE MARKER ▪ used with the base form of a verb to indicate that the verb is in the infinitive.► ADVERB ▪ so as to be closed or nearly closed.ORIGIN Old English.
English terms dictionary. 2015.