evätä

Verb

 * 1)  to deny somebody something, refuse to give something to somebody; take something away from somebody
 * 2) to withhold or retain; to keep back; not to grant
 * 1) to withhold or retain; to keep back; not to grant
 * 1) to withhold or retain; to keep back; not to grant

Conjugation
Colloquially, the verb may lack gradation, but this is considered nonstandard: