General Frustration:
* Nabigo - This is the most common and direct translation, meaning "failed" or "disappointed."
* Na-dismaya - This means "discouraged" or "disheartened."
* Naiinis - This means "annoyed" or "irritated."
* Nagagalit - This means "angry" or "furious."
To Frustrate (as a verb):
* Magpabagsak - This means "to make someone fail" or "to bring someone down."
* Ma-dismaya - This means "to disappoint" or "to discourage."
* Ma-inis - This means "to annoy" or "to irritate."
* Magalit - This means "to anger" or "to make someone furious."
Specific situations:
* Na-stuck - This means "stuck" or "unable to move forward."
* Na-block - This means "blocked" or "prevented from proceeding."
The best translation will depend on the specific situation and the nuance you want to convey.