This is the 79th most frequent Estonian word.
liiga
"Liiga" in English means "too" or "overly".
The word 'liiga' here is used to modify the adverb 'tõsiselt' ('seriously'), again indicating excessiveness.
Ärge võtke asja liiga tõsiselt.
Don't take the matter too seriously.
In this sentence, 'liiga' refers to an organized group or association within a sport or activity.
Ta liitus korvpalli liigaga.
He joined the basketball league.
Here, 'liiga' is used to indicate excessiveness or going beyond a desired limit, modifying the adjective 'magus' ('sweet').