i-adjective
Describes a feeling of vague worry or lack of confidence about a situation or outcome; often used when something feels uncertain or not fully reassuring.
彼の返事は心もとない感じだった。
His reply felt somewhat uneasy and unconvincing.
一人で
Traveling alone makes me a little anxious.
i-adjective
unreliable; undependable; shaky
Used for people, things, or situations that cannot be fully trusted or relied upon; implies a lack of solidity or certainty.
あの人の言うことはいつも心もとない。
What that person says is always unreliable.
このはしごは古くて心もとない。
This ladder is old and feels shaky.
i-adjective
nervous; impatient; vague; unclear
Archaic senses: (3) nervous or irritated from anxiety; (4) unclear or indistinct. Not used in modern Japanese outside of classical contexts.
古文では「心もとなく」が不安で落ち着かない様子を表すことがある。
In classical Japanese, 心もとなく can express a state of being nervous and unable to settle down.