Again is such a handy word that you as a beginner really need to know, especially when you need to ask a fluent signer to repeat. Add it to your language learning survival toolbox.
You: How to sign "again" in American Sign Language?
Me: (demo in the video)
You: What? Again, slow please.
Here it is again:
Meaning: Another time; once more; repeat.
Pronunciation/articulation: Dominant-handed, bent "B+thumb" handshape moves nearly in an arc movement toward the palm of non-dominant hand.
Learner Tip: Don't confuse this with AGAINST (different movement and handshape).
Related signs: REPEAT, once more, one more time.
First 100 words.
As you feel more comfortable with the first few hundreds of ASL signs, progress further with your vocabulary and learn signing more.