Barmy, as daft as a brush, aggravated, absurd, and asinine are all synonyms for insane. Sane and calm are antonyms of insane. And here are 120 another word for insane.
1. psychotic
2. crazy
3. stupid
The adjective "insane" has a variety of synonyms that differ in length. 3 synonyms with 3 letters, 3 synonyms with 4 letters, 20 synonyms with 5 letters, 7 synonyms with 6 letters, 12 synonyms with 7 letters, 9 synonyms with 8 letters, 12 synonyms with 9 letters, 9 synonyms with 10 letters, 12 synonyms with 11 letters, 6 synonyms with 12 letters, 9 synonyms with 13 letters, 3 synonyms with 14 letters, 3 synonyms with 15 letters, 1 synonym with 16 letters, 3 synonyms with 17 letters, 3 synonyms with 18 letters, and 1 synonym with 26 letters, for a total of 116 synonyms for insane.
The roller coaster ride was insane.
He had an insane amount of energy.
That idea sounds completely insane today.
The weather has been insane lately.
| Word | Opposites | Synonyms |
|---|---|---|
| Indispensable | Dispensable, superfluous, non-essential | Essential, crucial |
| Instruction | Confusion, misguidance | Order, command |
| Insignificant | Significant, important, meaningful | Unimportant, of minor importance |
| Insecure | Confident, assured | Unconfident, lacking confidence |
| Institution | Dismissal, defrocking, halting, cancellation, ending | Organization, establishment |
| Insufficient | Sufficient, adequate | Inadequate, not enough |
| Permanent | Temporary, fleeting, ephemeral | Lasting, enduring |
| Spontaneous | Planned, forced, calculated | Unforced, voluntary |
| In ruins | Intact, flourishing | Derelict, ruined |
| Unpleasant | Pleasant, agreeable, palatable | Disagreeable, irksome |
| For instance | In general, for no reason | For example, such as |
| Instance | Absence, nonoccurrence | Example, occasion |
| Mundane | Extraordinary, imaginative | Humdrum, dull |
| Simultaneously | Sequentially, independently | At the same time, at one and the same time |
| Pleasant | Unpleasant, disagreeable, nasty | Enjoyable, pleasing |
| Against | For, in favor of | Opposed to, in opposition to |
| Inspire | Uninspiring, dull | Stimulate, motivate |
| Inspired | Uninspired, disheartened | Motivated, encouraged |
| Instead | As well, as well as | As an alternative, as a substitute |
| Insight | Unwise, dense | Intuition, perception |
| Insurance | Endangerment, harm | Indemnity, indemnification |
| Inside | Outside, exterior | Interior, inner part |