Complete the sentence with a suitable phrasal verb:
____________ the word in a dictionary.
Phrasal verbs are combinations of verbs with an adjective or a preposition that function similar to an idiom, have a specific meaning to them and can be used in sentences. The meaning of the phrasal verbs given in the options are:
Option A) Look in : visit someone for a short time
Option B) Look up: search for some information
Option C) Look at: to examine something
Option D) Look down: consider someone as inferior
The sentence mentions 'the word in a dictionary" and the most apt phrasal verb with 'look' is 'look up' which means search for information or 'meaning of a word' in this case. Therefore, the correct option is option B) look up.