This is the 994th most frequent Latvian word.
efektīvāk
"More effectively."
The word 'efektīvāk' here is used adverbially, modifying the verb 'izmantojot' (using), to describe how time can be used.
Efektīvāk izmantojot laiku, mēs varam paveikt vairāk.
By using time more effectively, we can achieve more.
In this sentence, 'efektīvāk' is an adverb modifying the verb 'mācās' (learns), indicating a preferred manner of studying.
Viņa mācās efektīvāk, ja apkārt ir kluss.
She learns more effectively when it's quiet around.
Here, 'efektīvāk' serves as an adverb describing how the work should be carried out.