-sion suffix in ASL | ASL Dictionary

Sign for -SION Suffix in ASL

Quick answer: The -SION suffix in ASL is fingerspelled S-I-O-N. It commonly appears in English nouns connected to actions, processes, or conditions.

ASL sign for -SION suffix fingerspelled S-I-O-N
The -SION suffix is fingerspelled S-I-O-N.
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How to Recognize -SION

The sequence S-I-O-N appears frequently in academic and formal vocabulary. Skilled fingerspelling readers recognize the ending as a single visual pattern instead of four separate letters.

Dominant HandshapeS, I, O, N
Non-Dominant HandshapeN/A
LocationNeutral signing space
Palm OrientationVaries by letter
MovementFingerspelled sequence
Non-Manual MarkersNone

Why It Matters

Recognizing -SION helps students anticipate noun forms in English-based vocabulary. This becomes especially useful in academic interpreting, lectures, and technical discussions where words seem to gain extra syllables out of sheer confidence.

Common Mistakes

  • Confusing -SION with -TION.
  • Missing the middle I-O sequence.
  • Reading the ending too slowly and losing the entire word.

Example

ASL gloss: DECIDE + S-I-O-N

English meaning: decision

Related Suffix Signs

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