This is the 52nd most frequent Lithuanian word.
tikrai
Certainly; truly; really; definitely.
Here, 'tikrai' is used to emphasize the truth or certainty of the statement, similar to 'really' in English.
Tikrai gražus oras šiandien.
It is really nice weather today.
In this context, 'tikrai' expresses skepticism or surprise, functioning as 'really' in interrogative form in English.
Ar tikrai jis taip pasakė?
Did he really say that?
Here, 'tikrai' is used to convey sincerity and emphasize the genuineness of the speaker's feeling, akin to 'truly' in English.